---Don’t you think it necessary that he _________ to Miami but to New York?

 ---I agree, but the problem is __________ he has refused to.

       A．will not be sent; that                             B．not be sent; that

       C．should not be sent; what                       D．should not send; what

The place __________ the bridge is supposed to be built should be ________ the cross-river traffic is the heaviest.

       A．which; where      B．at which; which   C．at which; where   D．which; in which

---The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

   ---Oh, dear! She __________ a lot of difficulties!

       A．may go through                                   B．might go through

       C．ought to have gone through                  D．must have gone through

In our childhood, we were often _________ by Grandma to pay attention to our table manners.

       A．demanded            B．reminded             C．allowed               D．hoped

They ________ on the program for almost one week before I joined them, and now we ______ it as no good results have come out so far.

       A．had been working; are still working       B．had worked; were still working

       C．have been working; have worked          D．have worked; are still working

David has won the first prize in singing; he is still very excited now and feels ________ desire to go to bed.

       A．the most              B．more                   C．worse                 D．the least

________ in the mountains for a week, the two students were finally saved by the local police.

       A．Having lost          B．Lost                    C．Being lost           D．Losing

I’m moving to the countryside because the air there is much fresher than ________ in the city.

       A．ones                   B．one                     C．that                     D．those

---Is Bob still performing?

    ---I’m afraid not. He is said ________ the stage already as he has become an official.

       A．to have left          B．to leave               C．to have been left   D．to be left

---How about putting some pictures into the report?

 ---__________ A picture is worth a thousand words.

       A．No way.              B．Why not?            C．All right?             D．No matter.