题目内容
【题目】Alice was playing in the park while I __________my homework at home.
A. do B. did C. am doing D. was doing
【答案】D
【解析】试题分析：句意：当我正在家做我的家庭作业时，而Alice正在公园玩。根据Alice was playing in the park故句子要用过去时态，据语境故选D。
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题目内容
【题目】Alice was playing in the park while I __________my homework at home.
A. do B. did C. am doing D. was doing
【答案】D
【解析】试题分析：句意：当我正在家做我的家庭作业时，而Alice正在公园玩。根据Alice was playing in the park故句子要用过去时态，据语境故选D。