13. We _________ (not leave) until all the other guests _________ (go).

12. There is a boy _________ (cry) outside, maybe he got ________ (lose).

11. While mother _______ (cook), father ________ (read) yesterday evening.

10. His dream is ________________ (become) a pilot when he grows up.

9. Would he mind　　　　　　　　　　 (do) some extra work?

7. The novel ____________ (make) into a play before it was filmed.

6. You had better __________ (put ) on your coat.

5. He finds it very hard 　　　　　　　　　　(travel) around a big city.

4. I heard that he ______________(be) in Japan for a long time.

3. My brother __________ (work) in this factory since five years ago.