Question

The air all around us is so dirty. And we breathe dirty air every day. A lot of this air comes from cars. When we _________ a bus or take a walk, we breathe smoke that comes out of the cars. If we do sports _________, we breathe in more of this air. It is hard to do sports because it is hard to breathe.

Breathing this air is very unhealthy. It makes people __________. It can cause people to have a cough or allergies(過敏). It can also make people not live as long.

People think the problem is very serious. Some people want to move away. But not __________ of them can move away. People should take action. Instead of using a car or a bus for transportation, we could walk or ride bicycles. Taking the MTR also reduces much__________.

Plants and trees are also good for the air. They give us more oxygen. We can help plant more trees. If we all do our part, we'll be ___________ make the air cleaner.

1.A.put out B.wait for C.look at D.think of

2.A.outside B.instead C.nearby D.soon

3.A.happy B.cool C.sick D.healthy

4.A.any B.some C.few D.all

5.A.pollution B.noise C.information D.advice

6.A.thankful to B.given to C.able to D.used to

Answer 1