_____ for you help,we might have got lost in the forest
问题描述:
_____ for you help,we might have got lost in the forest
A.Had it not
B.Had it not been
C.If it were not
D.If we had not been
选哪个?为什么?
答
B,虚拟语气,用过去完成时.表原因,had提前.