What to him last week?A.did happen B.is happing C.happened D.happens.选哪个

问题描述:

What to him last week?A.did happen B.is happing C.happened D.happens.选哪个

选C,last week 是选过去式的标志

C.happened
last week是过去式

看似选A,实际选C,就主语提问.
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