3. Have you ever gone to London?
4. How long has she stayed in Hanoi?
5. June has visted Hoi An for two days.
6. She has loved him for three months.
7. I have never told to a foreigner before.
8. It's rained since yesterday. ( It's ở đây là It has viết tắt )
9. Have they waited for him since two o'clock?
10. How long have you watched the film?
12. This singer has performed since last June.
13. We haven't finished our homework yet.
14. Have they gone to a library?
15. They returned/didn't return home yesterday.
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