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18、The medical team ______ this area were kept busy ______ the cause of this unknown disease.

A．in charge of; in search of                             B．in search of; in charge of

C．searched for; in charge of                                   D．in charge of; in search for

17、It’s difficult to ___________ a conversation with someone who only says “yes” an “no”.

A．pick up     B．put up       C．keep up    D．give up

16、It doesn’t make very good _____ to buy that expensive coat when these cheaper ones are just as good.

A．idea   B．opinion     C．use    D．sense

15、Thousands of people took part in the work when the old temple __________.

A．would be rebuilt                                          B．was being rebuilt

C．was rebuilding                                            D．had been rebuilt

14、There was never any time for Kate to feel lonely, __________ she was an only child.

A．ever since       B．now that   C．even though     D．even as

13、Mr. Johnson __________ a note to his letter in order to make his meaning clearer.

A．contributed      B．a(chǎn)ttached    C．a(chǎn)djusted    D．a(chǎn)ppointed

12、There were two boys in the lab, ___________ did the experiment successfully.

A．the cleverer of whom             B．the clever of whom

C．the clever of them                  D．the more clever of them

11、______ made the school proud was ______ more than 90% of the students had been admitted to key universities.

A．What; because        B．That; because   C．That; what              D．What; that

10、While building a tunnel through the mountain, ___________.

A．a(chǎn)n underground lake was discovered

B．there was an underground lake discovered

C．a(chǎn) lake was discovered underground

D．the workers discovered an underground lake

9、The time he has devoted in the past ten years ________ the disabled is now considered ______ of great value.

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