he students seemed ____ , so I repeated the ______ question.

A. puzzled, puzzling,　　　　　　　　 B .puzzling puzzled,

C.puzzling puzzling　　　　　　　　 D.puzzled, puzzled

Paper produced every year is　 the world’s production of vehicles.

A、the three times weight of　　　 B、three times the weight of

C、as three times heavy as　　　　 D、three times as heavier as

He is in ____ control of the company. I mean, the company is in ____ control of him.

A. the; /　　 B. /; the　　 　C. the; the　　 　D. /; /

---What are you doing here?

---- Oh, my teacher asked me to write a passage of about __________in English.

----- You can write a _____________passage in English?
A. 600 words; 600-words　　　　　 B. 600-words; 600-words

C. 600 words; 600-word　　　　　 D. 600-words; 600-words

You should try not to appear to be______ (处于不安状态) in a job interview.

------You were caught by the heavy rain last night, were you?
    ------No. When the rain ______, we ______home.
   A. had come; got    B. came; had got     C. came; got      D. had come; had got

　　　 to use in April, 2005, the road has solved the long-standing problem of traffic jams of this area.

　 A.Put 　　　　 B.Putting　　　 C.Having put　 D.Being put

The time he has devoted in the past years _____ the disabled is now considered _____ of great value.

A. to help; being      B. to helping; to be　 C. to help; to be      D. helping; being

His best-seller novel "the Alchemist" is said _________________(被译为) over twenty languages by the end of last year. (translate)

I didn’t have any trouble _________the old man’s house.

A. to have found　 B. with finding　 C. to find　 D. finding