You'd better go to Chengdu by train (改为否定句）You ____ ____ _____ ____ to Chengdu by train.

You'd better go to Chengdu by train (改为否定句）You ____ ____ _____ ____ to Chengdu by train.
You'd better go to Chengdu by train (改为否定句）
You ____ ____ _____ ____ to Chengdu by train.

You'd better go to Chengdu by train (改为否定句）You ____ ____ _____ ____ to Chengdu by train.
You'd better not go to Chengdu by train.
had better do sth.否定在do之前
had better not do sth.

You'd better not go to Chengdu by train.
had better do/had better not do
had better not go

You'd better not go to Chengdu by train
当中只能是4个词
应该是题目错了
had better 后直接跟not do

You had better not go to Chengdu by train

You'd better not go to Chengdu by train

had better not go