Question

It's going to rain .You'd better -------- the raincoat with you. a,take b,to take c,not take

d,not to take

Answer 1

答案：A
解释：had better 最好，后接动词原形。

祝你学习进步，更上一层楼！(*^__^*)
有不会的可以再问我:）

追问

I think you --------be afraid of difficulities.Just keep working hard.
A.needn't b,needn't to c,don;t need d,not need

追答

A needn't 这里是情态动词，后面接动词原形。

追问

I spent half an hour -------- my home work
a,finish doing b,to finish doing c. finishing to do d,finish to do

追答

A

追问

三聚氰胺 is a kind of white powder. It -------- to make plastics.
a. is used b,is using c. used d,was used

追答

A

Answer 2

选A ，had better 后接动词原型。
希望可以帮到你~~

Answer 3

had better do sth最好得做某事 选A

Answer 4

a

Answer 5

a

Answer 6

A