-Come and join us,Sam.-Sorry,but I'll really busy now.If I __time,I___certainly go
问题描述：
-Come and join us,Sam.-Sorry,but I'll really busy now.If I __time,I___certainly go
A.had ；would
B.have；will
但是我觉得是B.为什么不是B啊?
答
：-Come and join us,Sam.-Sorry,but I'm really busy now.If I __time,I___certainly go A.had ；would B .have；will答案是A,但是我觉得是B.为什么不是B啊?求高手指点!答：A是虚拟语气,虚拟条件句.B是真实语气,真...