题目内容
—Cathy, can you answer the phone? I ________ the room.
—OK, Mum. I’m coming.
A. clean B. cleans C. am cleaning D. cleaning
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题目内容
—Cathy, can you answer the phone? I ________ the room.
—OK, Mum. I’m coming.
A. clean B. cleans C. am cleaning D. cleaning