Viết lại các câu sau sao cho nghĩa không đổi

II/ Viết lại các câu sau sao cho nghĩa không đổi.

1.    We last saw our old teacher last week.

We haven’t………………………………

2.    It’s necessary for us to have a party today.

We……………………………………

3.    Water these trees or they will die.

If………………………………………………..

4.    If he doesn’t learn hard, he won’t pass the final exam.

Unless………………………………………….

5.    They don’t have to finish their reports tonight.

It’s………………………………………………………..

6.    He sometimes flies to Singapore.

He sometimes goes…………………………………….

7.    She hasn’t driven to work for two months.

She last……………………………………….

8.    It took me 30 minutes to write this letter yesterday.

I ………………………………………………………

9.    Hoa learns English better than Mai.

Mai …………………………………………………

10.                       I haven’t written to her since 2020