---Couldyoutellmewhat______atthistimeyesterday?---Er,Iwasreadinginmy

发布时间：2020-08-07 08:53:23

---Could you tell me what ______ at this time yesterday?---Er, I was reading in my office.A.are you doingB.you are doingC.were you doingD.you were doing

网友回答

D解析由at this time yesterday可知，从句应用过去进行时，故先排除A、B；由句子语序可知，D项正确。
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