一道英语选择题的疑问,为什么选A不是选择B.The first thing you should have learned at collage is to work on your own. it's time you ( ) able to manage your time.A: Were B: should be正确答案是A可是不明白为什么不是选择B请告诉:为什么选择这个答案的理由.谢谢
问题描述：
一道英语选择题的疑问,为什么选A不是选择B.
The first thing you should have learned at collage is to work on your own. it's time you ( ) able to manage your time.
A: Were B: should be
正确答案是A
可是不明白为什么不是选择B
请告诉:为什么选择这个答案的理由.谢谢
答
是假设的用法
答
虚拟语气
it's time Were
你可以看一下，那个固定时态与语态
答
it's time (that)主语+did...
it was time (that)主语+had done..是做某事的时候了,虚拟语气.和现在相反,用上一个,和过去相反,用下一个.