1. Viết lại câu không thay đổi nghĩa:

1) This is the first time he went abroad.

=> He hasn't......................................................................................................................

2) She started driving 1 month ago.

=> She has.................................................................................................................

3) We began eating when it started to rain.

=> We have................................................................................................................

4) I last had my hair cut when I left her.

=> I haven't................................................................................................................

5) The last time she kissed me was 5 months ago.

=> She hasn't.............................................................................................................

6) It is a long time since we last met.

=> We haven't.............................................................................................................

7) When did you have it?

=> How long...........................................................................................................?

8) This is the first time I had such a delicious meal.

=> I haven't................................................................................................................

9) I haven't seen him for 8 days.

=> The last................................................................................................................

10) I haven't taken a bath since Monday.

=> It is........................................................................................................................