Mysister________herbookinthec

发布时间:2020-07-28 10:15:21

My sister ________ her book in the classroom when her teacher came in.A.readB.readsC.was readingD.is reading

网友回答

C解析此题考查过去进行时态。题意为“当老师走进教室时,我的妹妹正在看书。”
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