There used to be a clear river across the city 改一般疑问句并做否定回答
问题描述:
There used to be a clear river across the city 改一般疑问句并做否定回答
改成— ______ ________ _____ __________ ______ a clear river across the city?
—No,_____ _____
答
Did there use to be
there didn't