_____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.

试卷相关题目

• 1According 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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• 2－ 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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• 3_____ 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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• 4— 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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• 5________ the professor did all he could to help, the experience failed eventually.

  A.Since

  B.When

  C.While

  D.As

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