题目内容
() 31. (2015.安徽) 一Cathy,can you answer the door? I the room.
—I'm coming,mum.
A. clean B. cleaned
C. have cleaned D. am cleaning
31. D
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题目内容
() 31. (2015.安徽) 一Cathy,can you answer the door? I the room.
—I'm coming,mum.
A. clean B. cleaned
C. have cleaned D. am cleaning