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He did not agree with me at first，but in the end I ________ persuade him.

A. might as well 　　　　　　　　　　　　　 B. would

C. could 　　　　　　　　　 D. was able to

It was quite a long time 　　 I made it out what had happened.

A. after　　 B. before　 C. when　 D. since

They are considering ____ the house before the prices go up.

A. purchase　　　　　 B. purchasing　 C. purchased D. to purchase

In the battle we fought to the death in defence of our positions and paid a heavy _____ for last victory.

A. cost　 B. price　 C. value　 D. pay

How did you like the ________ of the interpreter at the Chinese FM press conference of 6-party talks on TV?
A．performance     B．a(chǎn)chievement    C．material D．words

There are over 58,000 rocky objects in _______ space, about 900 of which could fall down onto _______ earth.

A. the; the　　　　　 B. 不填; the　　　 C. the; 不填　　　 D. a; the

Don’t leave the water 　　 while you brush your teeth. 【北京市師大二附中2011屆高三第三次模擬考試】【非謂語動詞】