Question

【题目】Once you make a decision, you'd better ________ your mind from time to time.

A. not changeB. don't changeC. not to changeD. not changing

Answer 1

【答案】A

【解析】

句意：一旦你做了决定，你最好不要时不时地改变主意。

本题考查had better的用法。根据You'd better可知，其后接动词原形，其否定形式为You'd better not do sth．此空应填not change，故选A。