问题 选择题

— You’d better keep quiet in class.

— Sometimes I______ . Yesterday, I was as quiet as a mouse during my English class.

A.would

B.do

C.did

D.was

答案

答案:B

此题考查谓语替代词do 的用法。此处do指代keep quiet in class,根据前面的sometimes 可知,指的是经常性的行为,用do而不用did。

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