题目内容
What_____you_____at nine yesterday morning?A.have, done | B.did, do | C.were, doing | D.do, do |
C解析:
at nine yesterday,表示过去进行时,故选C
at nine yesterday,表示过去进行时,故选C
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题目内容
What_____you_____at nine yesterday morning?A.have, done | B.did, do | C.were, doing | D.do, do |