Scientists say it may be five or ten years _________ it is possible to test this medicine on human patients.

试卷相关题目

• 1As the saying goes, practice makes perfect, ______is only by using English as often as possible can you learn English well.   

  A.which

  B.as

  C.that

  D.this

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• 2The most favorite room is the tidy study with a fireplace, _____we can watch TV and enjoy the nice scenery outside.

  A.where

  B.when

  C.that

  D.which

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• 3They are determined to work out the task,_______ difficult it is.

  A.however

  B.no matter what

  C.no matter what

  D.whatever

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• 4He was sentenced to death ______ what he has stolen from the bank.

  A.that

  B.since

  C.because

  D.because of

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• 5_______ most of the earth's surface is covered by water, fresh water is very rare and precious.

  A.As

  B.Once

  C.If

  D.Although

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• 6____ for a bus, I was reading a magazine.

  A.While was waiting

  B.While I waiting

  C.While I am waiting

  D.While waiting

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• 7She is a nurse,_______ a doctor as well.

  A.but

  B.nor

  C.or

  D.and

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• 8 ________, he was a man known to the people all over the town.

  A.Tailor as he is

  B.A tailor as he is

  C.Tailor as is he

  D.A tailor as is he

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• 9English is understood all over the world ________ Turkey is spoken by only a few people outside Turkey itself.

  A.while

  B.when

  C.if

  D.as

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• 10__________ time went by, we grew older.

  A.As

  B.With

  C.When

  D.While

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