练习册

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    –The floor is dirty. Can anyone clean it? – I do it all the time. A. Don’t mention it. B. Why you? C. Not sure D. Not me again. 【查看更多】

     

    题目列表(包括答案和解析)

     I want to be a doctor. –Doctors         in every part of the world, I think.

    A need      B  are needed     C  are needing      D  will need

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    Our environment is getting worse than before. –You’re right. But thanks to Earth Day, people have done more and more useful things to protect the earth since Earth Day         .

    A  is started     B  was started      C  has started

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     I want to be a doctor. –Doctors         in every part of the world, I think.

    A need      B  are needed     C  are needing      D  will need

    查看答案和解析>>

    Our environment is getting worse than before. –You’re right. But thanks to Earth Day, people have done more and more useful things to protect the earth since Earth Day         .

    A  is started     B  was started      C  has started

    查看答案和解析>>


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