________ the professor did all he could to help, the experience failed eventually.

试卷相关题目

• 1— Why didn't you help the little boy?. — Oh, sorry. He had struggle to his feet  ______ I ran over.

  A.before

  B.after

  C.until

  D.since

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• 2_____ the plan has been made, let's get down to ____ it out.

  A.Now that; carry

  B.Because; carry

  C.Now that; carrying

  D.Now; putting

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• 3－ My teacher punished me this morning.－ Why? You've done nothing wrong, ______ I can see.

  A.as long as

  B.as well as

  C.as far as

  D.as soon as

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• 4According to the report, this virus was never known, which had claimed countless lives, _____ it was accidentally found by a doctor.

  A.unless

  B.since

  C.so that

  D.until

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• 5_____we are not attacked by nuclear weapons, we promise that under no circumstances _____ use the bomb first but we reserve the right to use it for counter-attack when necessary.

  A.As long as; we shall

  B.If; shall we

  C.So long as ; shall we

  D.Even if; we shall

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• 6______ they had 3 children of their own, the old couple decided to ____ a boy and a girl.

  A.While; adopt

  B.Although; deliver

  C.However; receive

  D.Though; adapt

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• 7He behaves _____ he were better than us.

  A.even though

  B.even if

  C.as though

  D.although

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• 8It's quite a time _____ Liu Xiang was injured in the foot, but we're sure it won't be long _____ he returns tothe track.

  A.after; when

  B.before; since

  C.that; when

  D.since; before

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• 9I'm sorry you've been waiting so long, but it'll still be some time _____ Brian gets back.

  A.before

  B.since

  C.till

  D.after

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• 10_______ your advice, I would have been caught in the traffic and I wouldn't have been there on time.

  A.In spite of

  B.But for

  C.Because of

  D.As for

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