Question

【题目】Alice was playing in the park while I __________my homework at home.

A. do B. did C. am doing D. was doing

Answer 1

【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。