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30.      in the regulations that you should not tell other people t he password of your e-mail account.

    A.What is required  B.What requires    C.It is required     D.It requires

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29.      environmental damage is done, it takes many years for the ecosystem to recover.

    A.Even if         B.If only         C.While          D.Once

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28.We forgot to bring our tickets, but please let us enter,     ?

    A.do you         B.can we         C.will you        D.shall we

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27.-Do you think Jack is to blame?

    -Yeah, it was very rude     facial paper to the guests at the table.

    A.of him to throw                  B.for him to throw

    C.that he threw                    D.enough to throw

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26.The two men were     of receiving stolen property, which made their parents worried.

    A.suspected       B.doubted        C.arrested        D.blamed

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25.I wish I     a chance to talk with you about my writing before you left.

    A.have           B.had           C.had had        D.will have

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24.-Did you tell Peter that you’ve already got a job?

    -Oh, no. I forgot. I     him now.

    A.will be calling    B.will call        C.call           D.am calling

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23.It was nearly six o’clock     we finished our work.

    A.that           B.when          C.while          D.since

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22.He is always helping people without expecting anything     .

    A.in need         B.in fact         C.in danger       D.in return

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21.Some laid-off workers delightedly took up the work to     patients in hospitals.

    A.depend on      B.take on         C.look on        D.wait on

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