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17.My sister _____ a letter when I got home last night.
17.My sister ______ a letter when I got home last night.A.is writing B.was writing C.wrote D.is reading 我选的B 为什么
人气:171 ℃ 时间:2019-08-21 20:29:55
解答
选B. was writing ,这是明显的过去进行时的句子,表示过去某时正在做某事.这句话的意思是昨晚我到家的时候,我姐姐正在写信.
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