15、No sooner had she gone out___________ a student came to visit her.　　　　　

(Keys:1. did;　 2. did;　 3. rushed;　 4. came;　 5. Were;　 6. than)

14、________I you, I would try it again.　　

12、Then _______ (come) the chairman.　　　　　　　　　　　　　　　　　

3、Out _________ (rush) a tiger from among the bushes.　　　　　　　　　　　　　

2、So loudly _________the students read their lessons that people could hear them out in the　　　　

1、Not only _________he like reading stories but also he could even write some.　　　　

6.Ask him to take you home ____possible.　　　　　　

　(Keys:1. crossing;　 2. invited　 3. finding　 4. do　 5. save;　 6.if )

5.What doctors can do is_____ (save) people’s life.

4.I’m very busy preparing for the exam，so I can’t help____(do) the house work.

3.He is very famous here，so we had no trouble____(find)him yesterday.