Question

【题目】While my cousin was doing homework in her bedroom, I_____for an exam.

A. was preparingB. preparedC. prepareD. will prepare

Answer 1

【答案】A

【解析】

句意：“当我的表妹在她的卧室里做作业的时候，我正在准备考试。”，A. was preparing 过去进行时；B. prepared一般过去时；C. prepare一般现在时；D. will prepare一般将来时，根据前面“was doing”再结合句意，可知后面也应该用过去进行时，故选：A。