一、根据句意或中文提示完成单词。

1. Trees reduce ___________(灰尘) and help keep the air clean.

2. Daniel and I did a ____________(调查) on students’ daily habits.

3. Trees also help keep ___________(土壤) in place during storms.

4. Mr. Green will tell us the ________(结果) of the exams tomorrow morning.

5. Don’t go to work with an ________(空的) stomach in the morning, you must eat something.

二、用所给单词的适当形式填空。

1. They are doing a survey __________(get)some information about students’ hobbies.

2. I don’t know how __________(solve) the problem.

3. Remember ____________(turn) off the tap when brushing teeth.

4. These empty bottles can be ____________(recycle).

5. She was told __________(clean) up her bedroom.

6. It’s nice of you _____________(give) your seat to the old on the bus.

7. ----Would you like something __________(drink)?----Yes, I’d love to.

8. If it doesn’t rain tomorrow, we ___________(have) a picnic in the park.

9. Computer is one of ____________(great) inventions in the world.

10. Trees can help us keep the air __________(clean).