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35.-I have got a headache.

     - No wonder.You __    in front of that computer too long.

     A.work                   B.are working

     C.have been working                    D.worked

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34.The expert insisted that silkworms were first raised by a woman in _____ is now Hebei Province.

     A.which            B.that            C.where         D.what

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33.My grandfather is as __   _ as a young man and hates sitting around doing nothing all day.

     A.enthusiastic                         B.energetic        C.talkative    D.sensitive

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32.-I am afraid the task is too difficult for me, sir.

     -_____, Linda.Just believe in yourself!

     A.No problem                       B.That's all right

     C.That's OK                          D.Come on

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31.-John, where are the cookies? Don't tell me you ate them all.

     -_____. I couldn't help it.They were so good.

     A.Yes.I did                     B.No, I didn't

     C.Yes, I have                         D.Why? Sound strange

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30.Mike had to walk home ______ his bike stolen.

     A.with            B.as             C.for            D.since

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29.So far, several cases of a disease, _____ as H1N1, are reported to have been found in the country.

     A.knowing      B.to be known       C.having known     D.known

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28.-Where is your uncle's home?

     -In New York.But he _____ in Boston for four years.

     A.has lived          B.lived              C.had lived          D.had been living

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27.- May I help you?

     -Yes, I'd like to try on some sports jackets just like _____ I'm wearing.

     A.it                 B.one            C.the one         D.that

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