we give him_____help we could A.which B.what C.that D.this 选哪个 为什么?

问题描述:

we give him_____help we could A.which B.what C.that D.this 选哪个 为什么?

b
首先是个宾语从句,并且从句缺宾语,排除CD
AB的区别在于WHICH有范围,what没有范围