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2.The boy with    unusual face said that he had    useful machine at home.

     A.a;a            B.a;an       C.an;a            D.an;an

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1.一Must I answer the question in English?

      一No,you don’t      .You      answer it in Chinese.

     A.have to;may      B.be;may      C.needn’t;must     D.have to;must

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10.Stay in the open air and      (breath)the fresh air.

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9.I      (check)my e-mails today.But I haven’t got yours.

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8.Before I went to college,       (learn)English for eight years.

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7.Look at the sun.What a lovely day it is today! We      (go)hiking.

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6.It      (never snow)in Australia.

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5.Didn’t your teacher tell you that sound     (travel)more slowly than light?

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4.Last night when we got to the cinema,the film      (be)on for over ten minutes.

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3.The children      (fly)kites on the playground when it began to rain heavily.

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