`~rai~`

`text{1.We didn't have to work overtime yesterday because we still had a lot of time for our project.}`

`text{2.We needn't bring food there because we didn't know that there were lots of food stalls there.}`

`text{3.You don't need to to do it now.}`

`text{4.You should not criticize him in front of many people.}`

`text{5.It is China that they are going to spend their holiday.}`

`text{6.It's unreasonable for everybody to understand you.}`

`text{7.His mother was surprised to hear that he would take part in English speaking test.}`

`text{8.His decision to apply for the job surprised all of us.}`

`text{9.We didn't know that they planned to Phu Quoc for their summer holiday.}`

`text{10.Minh made every efforts to win the first price.}`

`text{11.Ann was proud of being selected to participate in the speaking contest.}`

`text{12.Working in a team is interesting to them.}`

1. We didn't have to work overtime yesterday because we still had a lot of time for our project.

2. We needn't have brought food there because there were lots of food stalls there.

3. You don't need to do it now.

4. You should not have criticized him in front of many people.

5. It is in China that they are going to spend their holiday.

6. It's unreasonable for everybody to understand you.

7. His mother was surprised to hear that he would take part in English speaking test.

8. His decision to apply for the job surprised all of us.

9. We didn't know that they planned to go to Phu Quoc for their summer holiday.

10. Minh made every efforts to win the first prize.

11. Ann was proud of being selected to participate in the speaking contest.

12. Working in a team is interesting to them.