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 ........................................................................................................................
