【題目】—Cathy, can you answer the door? I ______ the room.

—I'm coming, mum.

A. clean B. cleaned C. have cleaned D. am cleaning

【答案】D

【解析】試題分析：-凱斯，你能開門嗎？我正在清整房間。-媽媽，我就來。結(jié)合情景可知媽媽正在清掃房間，關(guān)于現(xiàn)在進(jìn)行時(shí)，故選D。

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