31.一You used to be very quiet.didn’t you? 一 . A.Yes.I did B.Yes.I used C.No.I don’t D.Yes.I do 查看更多

 

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一You used to be very quiet,didn’t you?

一___________.

A.Yes,I did    B.Yes,I used  C.No,I don’t   D.Yes,I do

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