首页 / —So hard           in the past few years that he has made great progress in En

—So hard           in the past few years that he has made great progress in En

—So hard           in the past few years that he has made great progress in English.

    —I can see that, only a few mistakes    in this exam.

    A．has he worked; did he make   B．he has worked; he made

    C．he has worked; has he made   D．has he worked; he made

答案

D


解析:

略

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