19.----Must I take a bus to your home ----No, you_______. It's just about 5 minutes’ walk

问题描述:

19.----Must I take a bus to your home ----No, you_______. It's just about 5 minutes’ walk
from here A.must not B.don't have to C.shouldn't D.don't need
为什么不能是D

B
D选项可以说成needn't ,因为问句用的是情态动词,must,回答时否定回答只能是:don't have to 或 needn't .如果一定要选D,而且不用needn‘t 那么那个don’t need后面是不是还要跟些东西啊加to.