He doesn't know next 1how to do 2what to do next 3how to do

duoduo25252022-10-04 11:39:541条回答

He doesn't know next 1how to do 2what to do next 3how to do it

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liuliang19850922 共回答了17个问题 | 采纳率100%
答案是:3.
因为在这里,what是代词,可以单独作do的宾语,所以可以直接说: what to do next.
但how 是副词,不能作do的宾语,所以要添加it 作do的宾语.
1年前

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