The air conditioner（  ）before it can be installed。

试卷相关题目

• 1Mr.Johnson is supposed（  ）for London last week。

  A.to be leaving

  B.to have been left

  C.to have left

  D.to leave

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• 2I would have come sooner but I（  ）that you were waiting。

  A.didn't know

  B.have known

  C.haven't known

  D.hadn't known

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• 3Fred looked as though he（  ）ill for a long time。

  A.was

  B.were

  C.has been

  D.had been

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• 4What a lovely night! The full moon（  ）night。

  A.shines

  B.shone

  C.has shone

  D.is shining

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• 5The teacher told the students that they（  ）speak more slowly if they wanted to be understood。

  A.will haveto

  B.would have to

  C.must

  D.can

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• 6The company（  ）a rise in salary for ages,but nothing has happened yet。

  A.is promising

  B.has been promising

  C.promised

  D.would promise

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