Since the project has been on well, you must it on until it is completed.A．carrying, carry B．going, carryC．going, goD．carrying, go 题目和参考答案——青夏教育精英家教网—

题目内容

Since the project has been ___ on well, you must ___ it on until it is completed.

A．carrying, carry	B．going, carry
C．going, go	D．carrying, go

解析试题分析：原句意思是，这项工程进展顺利，你一定要坚持，直到它完工。表示动作从过去某一时间开始一直延续到现在，并且有可能持续下去，所以应该用现在完成进行时；carry on意思是继续，坚持下去，所以选B。
考点：本题重点考查时态。
点评：根据前后句的关系，来判断时态。表示动作从过去某一时间开始一直延续到现在，并且有可能持续下去，应该用现在完成进行时

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A．a far better artist B．a much more famous person

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A．back injuries B．her bent spine C．polio D．the operations she had

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A．1930s B．1970s C．1950s D．1940s

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5. A．had B．totaled C．got D．reached

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9. A．old B．male C．young D．female

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12. A．sunk B．set C．produced D．occurred

13. A．reasons B．causes C．ways D．results

14. A．survey B．study C．figure D．effort

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A．before

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