题目内容
( ) 1. ―Cathy,can you answer the door? I the room.
―I'm coming,Mom.
A. clean B. cleaned
C. have cleaned D. am cleaning
D
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题目内容
( ) 1. ―Cathy,can you answer the door? I the room.
―I'm coming,Mom.
A. clean B. cleaned
C. have cleaned D. am cleaning
D