721. It was at nine o’clock _____I got up.

　　　 A. that　 B which　 C. how　 D. when

720. It was not until he came here ___I left.

A.which　 B. what　 C. that　 D. why

719.___a fact that English is being accepted as an international language.

　　　 A. There　 B. this　 C. That　 D. It

718. Can you tell me ___?

　　　 A. who is that gentle man　　　 B. that gentleman is who

　　　 C. who that gentleman is　　 D. whom is that gentleman

717. It has not been decided ____they will leave for New York.

　　　 A. when　 　B. why　 C. that　 D. who　

716. _____makes mistakes must correct them.

　　　 A. Who　 B. Anyone　 C. Whoever　 D. anybody

715. It was true ____Alice did surprised her mother.

　　　 A. that what　 B. what that　 C. that that　 D. all that

714. ___he is not unwilling to go is clear to all of us.

A. How　 B. What　 C. Why　 D. This　

713. _____the house will be built will be decided at tomorrow’s meeting.

　　 A. If　 B. Where　 C. That　 D. What　

712.The coffee ___we had the other day was different from ___we had yesterday,

wasn’t it?

　　 A. what; that　 B. x; what　 C. that ; that　 D. what; what