问题描述：
请帮我分析一下这几道高中英语虚拟语气的选择题（参考答案已知）
It's strange that he _____ without saying good-bye to us.
A.should have gone out B.went C.should go out D.goes out
Mr Fang spoke slowly in order that we _______ him.
A.should follow B.follow C.might follow D.followed
What should we do if it _______ tomorrow?
A.should snow B.would snow C.snow D.will snow
答案为A（为什么不能是B）
It's strange that he _____ without saying good-bye to us.
A.should have gone out B.went C.should go out D.goes out
Mr Fang spoke slowly in order that we _______ him.
A.should follow B.follow C.might follow D.followed
What should we do if it _______ tomorrow?
A.should snow B.would snow C.snow D.will snow
答案为A（为什么不能是B）
问题解答：
我来补答展开全文阅读