The book store is far away from here.You'd better___.A.by bus B on a bus C take a bus D.in a bus我知道had better (do sth) 要接动词原形.可是如果选了C为什么不选B?为什么不选A(为什么介词短语不可以呢?)

问题描述:

The book store is far away from here.You'd better___.A.by bus B on a bus C take a bus D.in a bus
我知道had better (do sth) 要接动词原形.可是如果选了C为什么不选B?为什么不选A(为什么介词短语不可以呢?)