Students in this school don’t have classes on Wednesday afternoon, which is      , for teachers have a meeting.

Please speak in a _______ , or the teacher will hear what you say.

Tom’s __towards guests really makes me feel embarrassed in the party. 

I have to reschedule the appointment with you since there is a ________ in my plan.

It is the _________ in Britain that young people often do not shake hands when they meet someone for the first time.