2 Em hãy đặt câu hỏi cho những câu sau
ví dụ : this is an eraser
What is this ?
1 . My sister is a doctor
2 There are twenty - nicse pupils in my class
3 That is my teacher
4 These are pencils
5 I 'm twenty year old
6 We are fine , thank you .
7 His name is Tuan
8 We are in our classroom
9 I live in Ha Long .
10 Yes , those are our books