Do you know the cost of buying a house in Shanghai is much higher than __ in Tibet? —Of course, I know. It’s impossible for me to buy_____ there.

Do you have a small mouth?—No, I don’t. I have a ____ one.

Smoking is bad for your dad’s health. You’d better ask him to ______.

Look! Those boys are ____ a bus.

During the World Cup,some people all night to watch the games.