fix(curriculum): Replace characters in pinyin chapter and edit several tasks (#64690)

curriculum/challenges/english/blocks/zh-a1-learn-compound-finals/69414c07e0275598cd67d57b.md

@@ -6,7 +6,7 @@ dashedName: task-11
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: shǎo -->
+<!-- (audio) Lin Yating: shǎo -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-compound-finals/69414c745a9c5fdd92bf07e6.md

@@ -6,7 +6,7 @@ dashedName: task-22
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: huā -->
+<!-- (audio) Lin Yating: huā -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-compound-finals/69414ce8f460cc9baf4cff25.md

@@ -6,7 +6,7 @@ dashedName: task-35
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: shuǐ -->
+<!-- (audio) Lin Yating: shuǐ -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-initials/694130665cb2369224259f80.md

@@ -6,7 +6,7 @@ dashedName: task-6
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: bù -->
+<!-- (audio) Wang Hua: bù -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-initials/6941317bb564367f77089b20.md

@@ -6,7 +6,7 @@ dashedName: task-16
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: tí -->
+<!-- (audio) Wang Hua: tí -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-initials/69413210058e57be4a4d9dc2.md

@@ -6,7 +6,7 @@ dashedName: task-21
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: lǔ -->
+<!-- (audio) Wang Hua: lǔ -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-initials/694132be8425a451d8f5dbf1.md

@@ -6,7 +6,7 @@ dashedName: task-27
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: gǔ -->
+<!-- (audio) Wang Hua: gǔ -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-initials/6941330d9b5a5e8f7f6e9cea.md

@@ -6,7 +6,7 @@ dashedName: task-35
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: qí -->
+<!-- (audio) Wang Hua: qí -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-initials/69414a7bff11018dd6351ecd.md

@@ -6,7 +6,7 @@ dashedName: task-43
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: zǔ -->
+<!-- (audio) Wang Hua: zǔ -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-initials/69414af861d892cfef4db9a3.md

@@ -6,7 +6,7 @@ dashedName: task-51
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: zhě -->
+<!-- (audio) Wang Hua: zhě -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/607299f24a43744eca51b14a.md

@@ -1,8 +1,8 @@
 ---
 id: 607299f24a43744eca51b14a
-title: Task 26
+title: Task 25
 challengeType: 22
-dashedName: task-26
+dashedName: task-25
 lang: zh-CN
 inputType: pinyin-to-hanzi
 ---

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/608a5a14fb644459b8b6e91e.md

@@ -1,8 +1,8 @@
 ---
 id: 608a5a14fb644459b8b6e91e
-title: Task 27
+title: Task 26
 challengeType: 24
-dashedName: task-27
+dashedName: task-26
 lang: zh-CN
 ---
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/63430c01064ad4a6e941a06b.md

@@ -1,8 +1,8 @@
 ---
 id: 63430c01064ad4a6e941a06b
-title: Task 22
+title: Task 21
 challengeType: 24
-dashedName: task-22
+dashedName: task-21
 lang: zh-CN
 ---
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/6356c4ee3fe984a3882fa360.md

@@ -1,8 +1,8 @@
 ---
 id: 6356c4ee3fe984a3882fa360
-title: Task 24
+title: Task 23
 challengeType: 24
-dashedName: task-24
+dashedName: task-23
 lang: zh-CN
 ---
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/63be2d57f9882444084b6c9c.md

@@ -1,8 +1,8 @@
 ---
 id: 63be2d57f9882444084b6c9c
-title: Task 29
+title: Task 28
 challengeType: 24
-dashedName: task-29
+dashedName: task-28
 lang: zh-CN
 ---
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/6758f6e7eca6b4034bd7e78d.md

@@ -1,159 +0,0 @@
----
-id: 6758f6e7eca6b4034bd7e78d
-title: Task 21
-challengeType: 19
-dashedName: task-21
-lang: zh-CN
----
-
-<!-- (Audio) Li Hong: mín, miàn, tuán, niáng -->
-
-# --instructions--
-
-Listen to the audio and answer the question below.
-
-# --questions--
-
-## --text--
-
-Which option matches the first syllable you hear?
-
-## --answers--
-
-`mǐn`
-
-### --feedback--
-
-This has a different tone from the audio.
-
----
-
-`mín`
-
----
-
-`mián`
-
-### --feedback--
-
-This has a different final from the audio.
-
----
-
-`bīn`
-
-### --feedback--
-
-This has a different initial from the audio.
-
-## --video-solution--
-
-2
-
-## --text--
-
-Which option matches the second syllable you hear?
-
-## --answers--
-
-`miàn`
-
----
-
-`mián`
-
-### --feedback--
-
-This has a different tone from the audio.
-
----
-
-`mín`
-
-### --feedback--
-
-This has a different final and tone from the audio.
-
----
-
-`liàn`
-
-### --feedback--
-
-This has a different initial from the audio.
-
-## --video-solution--
-
-1
-
-## --text--
-
-Which option matches the third syllable you hear?
-
-## --answers--
-
-`tuán`
-
----
-
-`huàn`
-
-### --feedback--
-
-This has a different initial from the audio.
-
----
-
-`tóng`
-
-### --feedback--
-
-This has a different final from the audio.
-
----
-
-`duān`
-
-### --feedback--
-
-This has a different initial from the audio.
-
-## --video-solution--
-
-1
-
-## --text--
-
-Which option matches the fourth syllable you hear?
-
-## --answers--
-
-`liàn`
-
-### --feedback--
-
-This has a different initial from the audio.
-
----
-
-`niáng`
-
----
-
-`xiáng`
-
-### --feedback--
-
-This has a different initial from the audio.
-
----
-
-`niǎn`
-
-### --feedback--
-
-This has a different final and tone from the audio.
-
-## --video-solution--
-
-2

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/685dcec27184d4b0daba7977.md

@@ -1,8 +1,8 @@
 ---
 id: 685dcec27184d4b0daba7977
-title: Task 23
+title: Task 22
 challengeType: 22
-dashedName: task-23
+dashedName: task-22
 lang: zh-CN
 inputType: pinyin-tone
 ---

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/68730227742d04e038664d00.md

@@ -1,8 +1,8 @@
 ---
 id: 68730227742d04e038664d00
-title: Task 25
+title: Task 24
 challengeType: 22
-dashedName: task-25
+dashedName: task-24
 lang: zh-CN
 inputType: pinyin-tone
 ---

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/69414e2ff5a2843bac3d11db.md

@@ -6,7 +6,7 @@ dashedName: task-11
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: nín -->
+<!-- (audio) Li Hong: nín -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/69414f36e964c3c0dafd6ea4.md

@@ -6,7 +6,7 @@ dashedName: task-19
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: qiáng -->
+<!-- (audio) Li Hong: qiáng -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/69414fb5cffa0639c8df0229.md

@@ -6,7 +6,7 @@ dashedName: task-30
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: shàng -->
+<!-- (audio) Li Hong: shàng -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/694151cf4b43b1627d294af3.md

@@ -1,12 +1,12 @@
 ---
 id: 694151cf4b43b1627d294af3
-title: Task 37
+title: Task 38
 challengeType: 19
-dashedName: task-37
+dashedName: task-38
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: hǒng -->
+<!-- (audio) Li Hong: hǒng -->
 
 # --instructions--
 

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/6942617d67a64918b7b856e7.md

@@ -0,0 +1,32 @@
+---
+id: 6942617d67a64918b7b856e7
+title: Task 29
+challengeType: 22
+dashedName: task-29
+lang: zh-CN
+inputType: pinyin-tone
+---
+
+<!-- (Audio) Li Hong: néng -->
+
+# --instructions--
+
+Listen to the audio and complete the syllable with the correct tone mark.
+
+# --fillInTheBlank--
+
+## --sentence--
+
+`BLANK`
+
+## --blanks--
+
+`néng`
+
+### --feedback--
+
+This syllable combines the initial `n` with the final `eng`, and uses the second tone.
+
+# --explanation--
+
+The speaker is pronouncing the syllable with the initial `n`, the final `eng`, and uses the second tone, which is rising from mid to high.

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/6e2be84f2538546099bfef94.md

@@ -1,8 +1,8 @@
 ---
 id: 6e2be84f2538546099bfef94
-title: Task 28
+title: Task 27
 challengeType: 22
-dashedName: task-28
+dashedName: task-27
 lang: zh-CN
 inputType: pinyin-tone
 ---

curriculum/challenges/english/blocks/zh-a1-learn-nasal-finals/6e766b7d45e714725a0c5cff.md

@@ -1,8 +1,8 @@
 ---
 id: 6e766b7d45e714725a0c5cff
-title: Task 38
+title: Task 37
 challengeType: 22
-dashedName: task-38
+dashedName: task-37
 lang: zh-CN
 inputType: pinyin-tone
 ---

curriculum/challenges/english/blocks/zh-a1-learn-special-spelling-rules/694154ec961bcabf2a53800d.md

@@ -6,7 +6,7 @@ dashedName: task-11
 lang: zh-CN
 ---
 
-<!-- (audio) speaker: cǐ -->
+<!-- (audio) Chen Na: cǐ -->
 
 # --instructions--
 

curriculum/structure/blocks/zh-a1-learn-nasal-finals.json

@@ -25,15 +25,15 @@
     { "id": "6fd120b7602874d23b82fdd7", "title": "Task 18" },
     { "id": "69414f36e964c3c0dafd6ea4", "title": "Task 19" },
     { "id": "693fc412a1dc498346ca1589", "title": "Task 20" },
-    { "id": "6758f6e7eca6b4034bd7e78d", "title": "Task 21" },
+    { "id": "63430c01064ad4a6e941a06b", "title": "Task 21" },
-    { "id": "63430c01064ad4a6e941a06b", "title": "Task 22" },
+    { "id": "685dcec27184d4b0daba7977", "title": "Task 22" },
-    { "id": "685dcec27184d4b0daba7977", "title": "Task 23" },
+    { "id": "6356c4ee3fe984a3882fa360", "title": "Task 23" },
-    { "id": "6356c4ee3fe984a3882fa360", "title": "Task 24" },
+    { "id": "68730227742d04e038664d00", "title": "Task 24" },
-    { "id": "68730227742d04e038664d00", "title": "Task 25" },
+    { "id": "607299f24a43744eca51b14a", "title": "Task 25" },
-    { "id": "607299f24a43744eca51b14a", "title": "Task 26" },
+    { "id": "608a5a14fb644459b8b6e91e", "title": "Task 26" },
-    { "id": "608a5a14fb644459b8b6e91e", "title": "Task 27" },
+    { "id": "6e2be84f2538546099bfef94", "title": "Task 27" },
-    { "id": "6e2be84f2538546099bfef94", "title": "Task 28" },
+    { "id": "63be2d57f9882444084b6c9c", "title": "Task 28" },
-    { "id": "63be2d57f9882444084b6c9c", "title": "Task 29" },
+    { "id": "6942617d67a64918b7b856e7", "title": "Task 29" },
     { "id": "69414fb5cffa0639c8df0229", "title": "Task 30" },
     { "id": "6c0ec8d5293b94729af159ca", "title": "Task 31" },
     { "id": "6e0b9c83409424ad1a870690", "title": "Task 32" },
@@ -41,8 +41,8 @@
     { "id": "6b0787e096c574995b357d60", "title": "Task 34" },
     { "id": "61a6105a2e8924660ba2dc4d", "title": "Task 35" },
     { "id": "675eee872faf4405d8c28280", "title": "Task 36" },
-    { "id": "694151cf4b43b1627d294af3", "title": "Task 37" },
+    { "id": "6e766b7d45e714725a0c5cff", "title": "Task 37" },
-    { "id": "6e766b7d45e714725a0c5cff", "title": "Task 38" },
+    { "id": "694151cf4b43b1627d294af3", "title": "Task 38" },
     { "id": "603956b53a11a45f0ba647b9", "title": "Task 39" },
     { "id": "6e3ce2a718d3b4ca7b08df15", "title": "Task 40" },
     { "id": "6b944a6697ee942b380468f6", "title": "Task 41" },