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    科目： 来源：不详 题型：单选题

    ---You could have walked here.
    ---Yes. A taxi ___________ necessary.
    A．isB．wasC．isn’tD．wasn’t

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    科目： 来源：不详 题型：单选题

    Listening attentively in class and reviewing in time _______ a sure way to improve your learning, and this is especially true _______ it comes to standard tests.
    A．is, whenB．are, whenC．is, whileD．are, as

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    科目： 来源：不详 题型：单选题

    Mom used only half of the money, the rest of which ______ saved for other purposes.
    A．isB．areC．wasD．were

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    科目： 来源：不详 题型：单选题

    ---So you are back; are all the students present at the meeting?
    ---Not really, nobody but Lucy and John ___________ in the meeting room.
    A．areB．wereC．wasD．is

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    科目： 来源：不详 题型：单选题

    Since the forest has been destroyed by a big fire, a large ______ of trees ______ to be planted on the mountain．
    A．number; hasB．amount; has
    C．quantity; haveD．sum; have

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    科目： 来源：不详 题型：单选题

    A survey of the opinions of experts    that three hours of outdoor exercise a week    good for one’s health.
    A．show; areB．shows; isC．show; isD．shows; are

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    科目： 来源：不详 题型：单选题

    The Japanese          suffering from the worst natural disasters         .   
    A．are; ever sinceB．are; of all time
    C．is; ever sinceD．is; of all time

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    科目： 来源：不详 题型：单选题

    Tom as well as his parents ______ going to Japan next week.
    A．areB．isC．willD．was

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    科目： 来源：不详 题型：单选题

    Clearly, development aid together with food ______ the long-term solution to the problem of poverty.
    A．are B．isC．hasD．have

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    科目： 来源：不详 题型：单选题

    The number of the people who _______ cars ______ increasing in China.
    A．own, areB．owns, isC．own, isD．owns, are

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