It is a bad ____ to talk with your mouth full of foodA mannerB mannersC wayD method为什么?
问题描述：
It is a bad ____ to talk with your mouth full of food
A manner
B manners
C way
D method
为什么?
答
A manner
前面有a 所以选单数名词,后面讲的是嘴里含着食物讲话,那是不礼貌的,所以用a bad manner