You'd better ___ in the room1.not to smoke 2.not somking3.not somke
问题描述：
You'd better ___ in the room
1.not to smoke
2.not somking
3.not somke
答
3.not somke
had better do/not do sth
用动词原型
smoke 是动词~
答
选3
would better(not)后面加动词原形
答
选3
但上面的原因错了,应该是
had better (not)后面加动词原形 ,最好（不）要做某事
答
keep quiet