Question

【题目】She had just finished her homework __________ her mother asked her to practice __________ the piano yesterday.

A. when; playing B. while; to play

C. after; play D. since; played

Answer 1

【答案】A

【解析】考查when引导的并列句及非谓语动词。句意：昨天，她刚做完作业她妈妈就叫她去练钢琴。had done...when...刚想做某事，这时……；practice doing sth.练习做某事。