fix(curriculum): QA A1 Chinese Ch 2 blocks Nasal Sounds, Special Characters and Practice (#64761)

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

@@ -30,3 +30,51 @@ This syllable combines the initial `n` with the final `eng`, and uses the second
 # --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.
+
+# --scene--
+
+```json
+{
+  "setup": {
+    "background": "cafe.png",
+    "characters": [
+      {
+        "character": "Li Hong",
+        "position": {
+          "x": 50,
+          "y": 15,
+          "z": 1.4
+        },
+        "opacity": 0
+      }
+    ],
+    "audio": {
+      "filename": "ZH_A1_pinyin_nasal_finals.mp3",
+      "startTime": 1,
+      "startTimestamp": 432.14,
+      "finishTimestamp": 433.75
+    }
+  },
+  "commands": [
+    {
+      "character": "Li Hong",
+      "opacity": 1,
+      "startTime": 0
+    },
+    {
+      "character": "Li Hong",
+      "startTime": 1,
+      "finishTime": 2.61,
+      "dialogue": {
+        "text": "néng",
+        "align": "center"
+      }
+    },
+    {
+      "character": "Li Hong",
+      "opacity": 0,
+      "startTime": 3.11
+    }
+  ]
+}
+```

curriculum/challenges/english/blocks/zh-a1-learn-special-spelling-rules/634e625d6820a4561ac3a465.md

@@ -33,7 +33,7 @@ Listen to the audio and complete the word below.
 
 ### --feedback--
 
-This word combines the syllables `zhī` and `shi`.
+This word combines the syllables `zhī` and `shi`. Remember to type 5 at the end for neutral tone syllables.
 
 # --explanation--
 

curriculum/challenges/english/blocks/zh-a1-practice-pinyin/6942b3b6488b904284619fb5.md

@@ -20,7 +20,7 @@ The speaker is pronouncing four syllables. Which one has a different final with
 
 ## --answers--
 
-the first one
+The first one
 
 ### --feedback--
 
@@ -28,7 +28,7 @@ The first one ends with the final `ang`, which is the same as most of the others
 
 ---
 
-the second one
+The second one
 
 ### --feedback--
 
@@ -36,11 +36,11 @@ The second one ends with the final `ang`, which is the same as several others.
 
 ---
 
-the third one
+The third one
 
 ---
 
-the fourth one
+The fourth one
 
 ### --feedback--