It's n_____for us to keep our classroom clean every day.
问题描述：
It's n_____for us to keep our classroom clean every day.
My father reads the d_____paper during breakfast every morning.
Sometimes students make the teacher pay attention to them by c______trouble.
Teenagers are not allowed to get their ears p_____.
The new teacher who has few words is too s_____to communicate with his students well.
答
necessary
daily
causing
pierced
serious
最后一个填shy会不会好点额。。。也不错吧老师害羞话少，难和学生交流老师严肃话少，也难和学生交流都可以噢