Choose the best sentence that can be made from the cues given

Here are the best sentences based on the cues provided:

1. **For "She started the hobby when she was 6":**
- **C.** She started the hobby when she was 6.

2. **For "Nga often reads a book before bed":**
- **B.** Nga often read a book before going to bed.

3. **For "She thinks reading books is interesting and useful":**
- **A.** She thinks reading books is interesting and useful.

4. **For "Doing exercise regularly helps you stay healthy":**
- **A.** Doing exercise regularly helps you stay healthy.

5. **For "Drinking a lot of water is good for our health":**
- **B.** Drink lots of water is good for our health.

Let me know if you need further assistance!