See the flags on top of the building?That waswe did this morning A. whenB. whichC. whereD

发布时间：2020-08-17 11:25:57

See the flags on top of the building?That was    we did this morning．
A. when
B. which
C. where
D. what

网友回答

A. when
B. which
C. where
(答案→)D. what
解析：what在此引导表语从句，同时作表语从句谓语动词did的宾语。句意为：那就是今天早上我们所做的。
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