She stared at the painting, wondering where she 　　 it.

A. saw　 B. has seen　 C. sees　 D. had seen

——Are you through with your homework?

　 ——Well, ____.

A、sort of B、go ahead C、why not D、that’s OK

We had a really bad time about six months ago but now things are　　　　 .

A. looking up　　 B. coming up C. making up 　　　 D. turning up

Tell him ______ the window.

A. to shut not　　 B. not to shut　 答：D。 be

C. to not shut　 D. not shut

They’ve won their last three matches. ________I find a bit surprising

A. that　　　　　　　 B. when　　　　　　 C. what　　　　　　 D. which

__the safety of gas, the government has checked the city’s gas supply system thoroughly.

A.To ensure 　　　　　B. Ensuring 　　　C. Having ensured 　　　 D. To have

So excited _____ that he couldn’t say a word.

　 A. was he 　 B. he was

　 C. did he be 　 D. did he was

—The fellow has been suspected ________ an e?mail fraud.

—Nowadays cybercrime is developing ________ an amazing rate.

A．from; at　 　　　　　 B．a(chǎn)bout; in

C．of; with 　　　　　　　 D．of; at

-- How did you manage to get such a nice old painting?

---Quite _______.

　 A. by accidents　 B. by a chance　 C. by accident　 D. by incident

He insisted on 　　　 a meeting and he insisted we 　　　 his plan at the meeting.?

A.having;discuss　　 B.having;discussed?

C.have;discuss　　　　　 D.having;discussing