He tried his best to solve the problem,  _______difficult it was.

试卷相关题目

• 1They have a good knowledge of English but little _______they know about German.

  A.have

  B.did

  C.had

  D.do

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• 2- It'll take at least 2 hours to do this!- Oh, _______. I could do it in 30 minutes.

  A.come on

  B.pardon me

  C.you are right

  D.don' t mention it

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• 3Elephants have their own way to tell the shape of an object and _______it is rough or smooth.

  A.不填

  B.whether

  C.how

  D.what

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• 4-Sorry  to ______ you, but could I ask a quick question、- No problem.

  A.worry

  B.prevent

  C.trouble

  D.disappoint

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• 5If it is quite _______ to you, I will visit you next Tuesday.

  A.convenient

  B.fair

  C.easy

  D.comfortable

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• 6You should understand the traffic rule by now. You've had it_______ often enough.

  A.explaining

  B.to explain

  C.explain

  D.explained

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• 7- Julia said she sent you a birthday card yesterday. Have you got it、- Oh, really ! I haven' t _______my mailbox yet.

  A.examined

  B.reviewed

  C.tested

  D.checked

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• 8It is what you do rather than what you say _______ matters.

  A.that

  B.what

  C.which

  D.this

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• 9Bill was doing a lot of physical exercise to build up his_______.

  A.ability

  B.force

  C.strength

  D.mind

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