13.My friends 　　　　　　(finish) college last year.

12.What were you doing yesterday afternoon?

　 - I 　　　　　　(plant) vegetables in the garden.

11.Her parents were not watching TV last night. They　　　　 (read) newspapers.

10.I 　　　　　　(read) the English book four days ago.

9. 　　　they 　　　　　　(go) to America last year?

8. 　　　you 　　　　　(see) him this morning.

7. He 　　　　　　(not ring) me last night.

6. While I 　　　　　　(have) dinner last night, my brother 　　　

　　　 　　　　　(watch) television.

5. The rain 　　　　　　(come) on while we 　　　　　　(watch) the football match.

4. While I 　　　　　　(cross) the bridge, the wind 　　　　　　(blow) my cap into the river.