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    科目： 来源：不详 题型：单选题

        He made it clear that only the point that new technologies hold the key to increasing productivity     the economy in the long run.
    A．will it benefitB．it will benefitC．will benefitD．will benefit it

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    科目： 来源：不详 题型：单选题

    —Where are the guests to be from tomorrow?
    —Many an American boy and many a British girl as well as the teachers to he present.
    A．have been invitedB．has been invitedC．were invitedD．was invited

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    科目： 来源：不详 题型：单选题

    Mr. Li is absent today. What do you consider ________ to him?
    A．happensB．is happenedC．happeningD．has happened

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    科目： 来源：不详 题型：单选题

    The teacher said that Columbus _______America in 1492.
    A．discoveredB．foundC．had discoveredD．had found

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    科目： 来源：不详 题型：单选题

    I soon found that the work I was doing ____ by someone else — in other words, I was wasting my time.
    A．had already been doneB．has already been done
    C．would be doneD．have already been done

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    科目： 来源：不详 题型：单选题

    He told us he _______a concert________.
    A．had attended；three days beforeB．attended；a week ago
    C．would attend；since a week agoD．was attending；for a week

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    科目： 来源：不详 题型：单选题

    After the examination，my teacher told me that failure _______the mother of success.
    A．wasB．isC．beD．been

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    科目： 来源：不详 题型：单选题

    The teacher told the students that there _______a meeting at three o’clock.
    A．were going to haveB．are going to be
    C．will haveD．was going to be

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    科目： 来源：不详 题型：单选题

    A warm welcome ______ to the American guests at the airport tomorrow morning.
    A．is given B．has been givenC．is going to giveD．will be given

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    科目： 来源：不详 题型：单选题

    All the essays _____________, the teacher sent the students home.
    A．having written and collectedB．having been written and collected
    C．being written and collectedD．to be written and collected

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