You____swim in this par of the lake,it's dangerous.Amusn't B needn't Cwon't D don't
问题描述:
You____swim in this par of the lake,it's dangerous.
Amusn't B needn't Cwon't D don't
答
A 不准
答
A mustn't 表示禁止
答
A
musn't 禁止
答
Amusn't