1. A: Where (you/go) _________________ last night?
B: I (attend) _____________ my friend’s birthday party. It (be) ________________ fun.
2. Water (boil) ____________________ at 100 degrees Celsius.
3. A: (you/just/see) ____________________ Mary?
B: No. We (not meet) _____________ each other for a long time.
4. A: __________ you (be) __________ to Phong Nha before?
A: Yes. I (spend) _____________ my holiday there last summer.
5. Listen! Mai (play) _____________ the piano in her room.
6. Mrs Hoa (teach) _____________ English in this school since she (leave) _____________
the university.
7. Would you like (listen) ______________ to some music?
8. Nam enjoys ( play) ______________ soccer after school.
9. Lan asked me (go) ______________ to the supermarket.
10.My father stopped (smoke) ______________ five years ago.
11.They used (go) ______________ to work by train.
12.Don’t let children (play) ______________ with matches.