While my brother football with his friends yesterday.my sister her homework．( )A．was playing, didB．played, was doingC．was playing, was doingD．played, did 题目和参考答案——青夏教育精英家教网—

题目内容

3．While my brother _______ football with his friends yesterday，my sister _______ her homework．（　　）

	A．	was playing； did		B．	played； was doing
	C．	was playing； was doing		D．	played； did

分析翻译：昨天我弟弟和朋友们在踢足球时，我的妹妹正在做作业．

解答答案：C．根据While my brother _______ football with his friends yesterday，可知这里的意思是昨天我弟弟和朋友们在踢足球时，在这里是一个表示过去时间的状语从句，它的主句可以用进行时，表示当昨天我弟弟和朋友们在踢足球时我的妹妹正在做作业两个动作同时进行，所以都应用过去进行时态，它的构成形式为：was/were+Ving．故选C．

点评本题考查了过去进行时的用法．解答时注意它的构成形式：was/were+Ving．