3.--Do you think the thief entered through the garage door?

--No, if he had, I don’t believe _____broken the living room window.

A. would he have　　　 B. he had　　 C. he would have　　 D. he has

2.--Why didn’t Tom give you one of his paintings?

--I didn’t want one, but he would have given me one if I ____.

A. Do　　 　B. would　 　　　　　C. will　 　　　　　　D. had

1.--Did you submit(递交)your application for a Master’s degree(硕士学位)？

--Not yet. If I_____ to see my father, I would have.”

A. didn’t go　　 B. haven’t gone　　 C. wouldn’t have gone　　 D. hadn’t gone