My parents always tell me ___ others late at night.– They’re right. It’s not polite.

The study is _______. They often do their homework and read books in it.

The food she has prepared for the party is not enough, for there are _____people than she expected．

The fact she has not said anything at the meeting all of us

.—-Look! Our Chinese teacher, Mr Zhang, is playing badminton there.—-No, it ________ be Mr Zhang,. He has gone to Guangzhou for a meeting.