Do you remember ______ when I met you yesterday?

问题描述:

Do you remember ______ when I met you yesterday?
A.what were you doing B.what you were doing
C.what you did D.what did you do

应该是:

从句用陈述句语序,所以AD不对
我昨天碰见你时,应该是过去进行时,所以B
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