（ ） you do, you should put your heart into it.

We don’t need air conditioning, （ ）.

He began to take politics _____ only when he left school.

A good teacher must know how to （ ） his ideas.

Let’s read the novel together, （ ）？

Any man who wants to start a business must have some （ ）.

Take your time and think the matter over before you _____ a conclusion.

（ ） his last word, he got into a taxi and disappeared in no time.

Why is it （ ） the more connected we get, the more disconnected I feel?

Our visitors decided to stay in our city for _____ two days as they wanted to have a look around.

It is important that the boy （ ） an adult to take care of him.

Air pollution is obviously one of the major _____ of city life.