Trả lời hoặc đặt câu cho cac câu sau
1. What 's your sister doing?
- ______________________.
2. _______________________ ?
- It 's Tom
3. Hơ many people are there in your family ?
- _____________________________________
4 . Are there four pictures on the wall ?
-_____________________________________
5 . -___________________________________
- No , there isn't
6. -____________________________________
- My name is Lan
7______________________________________?
- There 's an eraser in the box
8 _____________________________________?
- Mai is Nam 's siser
9 What are they doing?
_____________________________________
10 ____________________________________?
- It 's ten ten