I don’t know _____ he will be back home. A. whoB. whatC. whenD. where - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

I don’t know _____ he will be back home.

A. who

B. what

C. when

D. where

答案

解析

这题考查宾语从句连接词的选用，因为是I don’t know，所以用疑问词，因为有主谓宾，所以选疑问副词，地点是home，因此选C。句意是：我不知道他什么时候回来。选C。

核心考点

试题【I don’t know _____ he will be back home. A. whoB. whatC. whenD. where】；主要考察你对连词等知识点的理解。[详细]

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