1. My mother used to take us to the zoo on weekends.

->Where did your mother use to take you on weekends?

từ gạch chân chỉ nơi chốn nên dùng where

2. I have to clean the floor once every two days.

->What do you have to do once every two days?

Vì từ gạch chân chỉ việc nên ta sử dụng What

3. She arrived at the station late at night.

->When did she arrived at the statione late?

4.She has lived in Melbourn for nearly 10 years.

->Where has she lived for nearly 10 years?

vì từ gạc chân chỉ nơi chốn nên sử dụng where

Sử dụng thì HTHT

5.My mother asked me to cook dinner because she would finish work late.

->Why does your mother ask you to cook dinner

Vì từ gạch chân chỉ lí do nên sử dụng Why

Sử dụng thì HTD

6.Minh often walks to school

->How does Minh often to go to school?

Vì từ gạch chân chỉ phương tiện nên sử dụng How does ( vì Minh là chủ ngữ số ít)

7. I spent 2 hours revising for the final test last night

How long did it take you to revise for the final test last night?

Form : How long do/does/did take + O + to + V_infi

8. Nga studied well this semester

->How did Nga study this semester?

Vì từ gạch chân chỉ cách thức nên sử dụng How

Thì QKD

9. We have been friends since primary school.

->How long have you been friends?

10. My mom is tall and thin with long straight black hair.

->How is your mom?