1. Nam (study) _____________________ since last May
2. (you / ever be) __________________________ to Da Lat?
3. His farther (just / sell) _______________________ his old house.
4. Nurses (look) ______ after patients in hospitals last night.
5.She ( go) ________________ to Da Lat since last summer.
6. She (teach) ___________________ English for 3 years now.
7. Where (you /be) ________________________since 2008?
8. We (not/ eat) __________________ in that restaurant for two year.
9. My father (watch) ___________________ this film many times.
10. We (not/ get) ___________________in touch with him for years