when i went to say goodbye to anna,she __the piano a.is playing b.plays c.was playing d.played
what college are you ___?
a.in b.to c.for d.on
人气：448 ℃ 时间：2019-08-20 14:56:03
解答
选C was playing
表示过去进行时.
选a.in
固定端与in college在大学
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