III. Choose the right words to fill the blanks.

2. water can directly do harm to people's health. (pollute/polluted/pollution/unpolluted)

resources. (nation/nature/natural/naturally)

motorcycles to avoid traffic-james.(on/in/of/at) the environment. (prevent/keep/protect/avoid)

. (careful, carefully, carelessly, care) beauty, beautify, beautiful, beautifully) (

about this. (good, well, happy, happily)

marks. (good, extreme, extremely, well)

pleased that she's got

3 . If we save energy, we can save

4. We should use public buses instead

5. I think we should do something to

6. We shouldn't use plastic bags to wrap food because they are hard to 7.

Please listen to the instruction

8. We'll make this beach clean and

9. He did the tests Her parents were very

10.

Her parents are

IV/Make complete sentences with the words cues,

(dissolve/reuse/reduce/recycle)

1. Mr.Brown is talking to some

conservationists. (one/well/volunteer/environment)