问题描述：
two hours_______enough for us
A is B are C have D were 竟然答案是选A 为什么?two hours不是复数吗
A is B are C have D were 竟然答案是选A 为什么?two hours不是复数吗
问题解答：
我来补答展开全文阅读
问题描述：
问题解答：
我来补答