Watching TV is ________a kind of relaxation , and it also _______ our knowledge.

Children must be _________ to serve（服务） their country when they grow up.

The sports meeting will be ______ till next week because of the bad weather.

John is a creative person. He can often _____ ideas that are surprising to his classmates.

My son is always full of         and hardly feels tired.

­He         all the “ No Smoking” signs and began to smoke.

I overslept this morning because my alarm clock ______.

It _____ to chat online all day long. You’d better do something else.

The police ________ Tom of stealing and the accused was afraid to meet the accuser.

He is _____ careless a student that he often _____ some letters while writing.