Scientists will have to come______ new methods of increasing the world's food supply.

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• 1--- Excuse me, sir. Would you do me a favor? --- Of course. What is it? --- I _____ if you could tell me how to fill out this form

  A.had wondered

  B.was wondering

  C.would wonder

  D.did wonder

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• 2---Who did it? --- ______ .you ask?It was Joe,of course

  A.May

  B.Must

  C.Should

  D.Need

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• 3Expensive restaurants are not_________ the best

  A.frequently

  B.directly

  C.immediately

  D.necessarily

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• 4Due to circumstances ______ our control, the performance has to be canceled.

  A.beyond

  B.with

  C.within

  D.under

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• 5--- I don't know whether I should go abroad or not, Mum. --- I leave _______ to your own judgment whether you should do it

  A.that

  B.it

  C.this

  D.what

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• 6--- Would you _______ a drink? --- No, thanks．I have given up drinking

  A.care about

  B.care for

  C.care of

  D.take care of

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• 7______ the satellite launch drawing near, the research workers put their hearts to the test and always stayed up late.

  A.As

  B.Because

  C.With

  D.While

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• 8If you have a very good ______ of direction, you'll not get lost anywhere

  A.sense

  B.idea

  C.feeling

  D.excuse

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• 9It is quite an informal party; you needn't ______ for it

  A.look up

  B.dress up

  C.put up

  D.take up

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• 10In the face of the big fire in October in California，many people in the fire-stricken areas moved out __________.

  A.to escape burning

  B.to escape being burned

  C.escaping burned

  D.escaping from burning

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