题目内容
【题目】See the flags on top of the building? That was __________ we did this morning.
A. when
B. which
C. where
D. what
【答案】D
【解析】本题考查what引导的表语从句。根据句子结构，在系动词was后应跟表语从句，且从句中谓语动词did缺少宾语，故用what。
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题目内容
【题目】See the flags on top of the building? That was __________ we did this morning.
A. when
B. which
C. where
D. what
【答案】D
【解析】本题考查what引导的表语从句。根据句子结构，在系动词was后应跟表语从句，且从句中谓语动词did缺少宾语，故用what。