I wondered whether the film was __________ worth __________.

　 A. very, to see　　　 B. well, seeing　　 C. very, begin seen　　 D. well, to be seen

I like ________ history, for, by studying it, I can gain ________ knowledge of the past events.

A. /, a　　　 B. /, /　　　　　　 C. the, a　　　 D. a, the

According to the recent research，heavy coffee drinking and heart attack is not necessarily 　　　　 and effect.?

A.reason　　　　 B.impact　　　　　　 C.fact　　　　　 D.cause?

Have you ever thought of _________ teaching?

____ we don’t lost heart , we’ll find a way to overcome the difficulty.

　　A. So far as B. As far as C. So long as D. Even though

Can you believe that in_____a rich country there should be_______many poor people?

A such; such　　　　 B. such; so　　　 C. so; so　　　　　 D. so; such

_______ another survivor under the ruins made the soldiers very happy despite their tiredness.