问题标题:
Theyaskedme___lastnight,butIwasunabletotellthem.A.WhatwashappenedB.whathappenedC.waswhathappenedD.whatithappened请说明原因
问题描述:
Theyaskedme___lastnight,butIwasunabletotellthem.
A.WhatwashappenedB.whathappened
C.waswhathappened
D.whatithappened
请说明原因
潘颖回答:
B
happen不及物动词,没有被动语态,排除A与C;而WHAT作主语,不用IT,再排除D
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