1. We couldn’t risk ( leave)............... him alone.

2. I’m sitting in class right now. I (sit) .............. in class at this time yesterday.

3. I’m sure you will have forgotten me by the time I (be) ......... back in five years.

4. Up to now, our teacher ( give ) .............. our class five tests.

5. Trung is used to ( get ) ................ up early every morning.

6. If you ( smoke ) ........... less, you would have much more money . But I don’t think you will.

7. What shouldn’t the children ( drink ) ................... ?

8. Tom’d rather ( be) ................. early than late.

9. I knew him when I ( be ) ................ a child.

10. I can’t go with you as I ( not finish ) ................ my work.