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III. Fill in each blank with one suitable word. (1,5pts)

1. Solar energy can be used on .....days

2. Eergy .................bulbs should be used to save electricity.

3. If there is too much..................fume in the air, many people will cope with respiratory problems

4. I'm pleased ............. you are working hard.

5. what about.............. used paper, bottles, and cans everyday? It's not difficult.

6. A............is a person who puts in and repairs water pipes, baths, sinks.

NT
27 tháng 10 2018 lúc 22:36

III. Fill in each blank with one suitable word. (1,5pts)

1. Solar energy can be used on ...SUNNY..days

2. Eergy ......SAVING...bulbs should be used to save electricity.

3. If there is too much.........EXHAUST ...fume in the air, many people will cope with respiratory problems

4. I'm pleased ...THAT.... you are working hard.

5. what about...COLLECTING... used paper, bottles, and cans everyday? It's not difficult.

6. A.....ENVIRONMENTALIST...is a person who puts in and repairs water pipes, baths, sinks.

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