Bài 4: Qúa khứ đơn hay hiện tại hoàn thành.
1. A: (you / be / ever) ……………………….. to London?
2. B: Yes, I (be) …………………….. there three times.
3. A: When (be)………………… the last time you (be) ……………………. there?
4. B: Last summer. I (spend) ……………… two weeks in Brighton with my parents
and we (go) …………………. to London one weekend.
5. (you / like) ………………. it?
6. Oh yes. We really (have) ………………….. a great time in London.
7. Lucky you! I (be / never) ……………….. to London.
8. B: I (see / already) ……………….. Madonna live in concert.
9. A: I (spend) ……………….. my summer holiday in Australia last year.
10. B: I (be / not) ……………….. to Australia yet.
Bài 5: Viết lại câu không thay đổi nghĩa