No matter what substance it may be, it is ________ atom.  

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• 1Because the shop ______, all the T-shirts are sold at half price.

  A.has closed down

  B.closed down

  C.is closing down

  D.had closed down

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• 2This is the first time we ______ a film in the cinema together as a family.

  A.see

  B.had seen

  C.saw

  D.have seen

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• 3—Have you seen my e-mail about our TESL project? —Yes. Luckily I checked my e-mails yesterday. Normally I ________my e-mail box for days.

  A.haven't opened

  B.don't open

  C.hadn't opened

  D.didn't open

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• 4Professor Williams keeps telling his students that the future________ to the well-educated.

  A.is belonging

  B.is belonged

  C.belongs

  D.will be belonged

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• 5When winter comes, it _________ become very cold in Shenyang.

  A.is going to

  B.will

  C.has

  D.is about to

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• 6I'm sorry I didn't hear what you said. I ________ the picture.

  A.am looking at

  B.looked at

  C.has looked at

  D.was looking at

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• 7—I phoned you at 9 this morning but got no answer. —I am sorry. I _____ the bell. I _____ in the garden.

  A.didn't have heard, must have been

  B.didn't have heard, must be

  C.didn't hear, must have been

  D.didn't hear, must be

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• 8This August will be very precious for graduates by which time they _________into a university.

  A.will be admitted

  B.will have admitted

  C.have been admitted

  D.will have been admitted

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• 9____ to hospital in time, the wounded soldiers were saved at last.

  A.Taken

  B.Taking

  C.Having taken

  D.Being taken

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• 10I can sleep for 7 hours every day now, but if I take that job, I ____less time for sleep.

  A.had

  B.haven't had

  C.will have

  D.wouldn't have

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