He wanted to see what mischief his grand

题库2022-08-02 18

问题 He wanted to see what mischief his grandson was _____A.up forB.up withC.upD.up to

选项 A.up for
B.up with
C.up
D.up to

答案 D

解析句意：贝克先生慢慢地走上楼去，他想看看孙子在忙着搞什么恶作剧。be up to忙于，从事。

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英语言文学军队文职

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