2. My parents are used to (work) hard all day.

三、动词填空

1. It's lucky that we (give) enough time to make a decision then.

8. — I believe the solar (太阳的) will be widely used in the near future.

   —I agree. That will reduce much pollution.

7. —I don't think there is any between the two pictures.

   —Oh,there is one if you watch carefully.

6. It is wasteful to throw away glass and paper,so every class collects them for  (回收利用) .

5. Choose (明智地) how you spend time and with whom you spend it.

4. Do you know how many cars are (生产) in this factory every year?

3. Oil is a kind of finite (不可再生) (资源) and we will run out of it some day.

2. It's true that people having a (富有的) dad sometimes can do things easily but working hard is more important.

二、单词拼写

1. We know who we can (信赖) on in our lives and we usually turn to them when we need help.