He is one of the most famous _______(environment/ environmental/ environmentalists/ environmentalist) 7. Who looks _____________ your children when yo

He is one of the most famous _______(environment/ environmental/ environmentalists/
environmentalist)
7. Who looks _____________ your children when you are away from home? (after/in/into/for)
8. You must reduce the ____________of water your family uses. (number/amount/many/ much)
9. _________________ is a person who repairs electrical equipment.
(plumber/electrician/carpenter/conservationist)
10. It’s raining heavily ________________ I can’t go out. (so/as/but/and)
11. She is worried ____________ her recent water bill. (with/about/as/for)
12. Energy saving bulbs should be used to save ___________ (electric/ electricity/ electrical/
electrician)
13. Solar energy doesn’t cause ______________. (pollution/ polluter/ pollutant/ pollute)
14. A __________ faucet can waste 500 liters of water a month. (dripped/drips/drop/dripping)
15. Ba missed the Math test yesterday. ______________ he will have to do it next week.
(Moreover/However/Therefore/And)
16. If _______________were inexpensive and unlimited, many things in the world would be
different. (pollution/standard/energy/sewage)
17. A _____________ is a person who installs and repairs water pipes.
(plumber/electrician/carpenter/conservationist)
18. A lot of countries in the world are already using ________________ energy.
(solar/sun/nuclear/efficiency)
19. Electricity, gas and water are ________________. (luxuries/appliances/necessities/ resources)
20. How about ________________ poster on energy saving and hanging them around our school.
(making/make/should make/to make)
21. Remember to turn _____________ the faucet after use. (off/on/up/down)
22. I can’t hear what you’re saying. Can you turn ___________ the radio? (up/down/on/off)
23. Ba is pleased ____________ his English is improving day by day. (that/so/but/therefore)
24. If we go on littering, the environment will become seriously ________ (polluted/ unpolluted/
pollution/polluter)
25. The air in the city is very ____________. (polluted/pollution/ polluter/ pollutant)
26. Turn _____________ the music. It’s too loud. (on/off/in/down)
27. The washing machine was expensive ____________ we couldn’t afford to buy it.
(so/but/however/because)
28. He didn’t have much money, ____________ he bought a lot of things at the shop for Tet.
(but/or/and/so)
29. The doctor suggested that the secretary _______at least three days off work .(to
have/having/should have/has)
30. She suggested __________ for a swim. (going/go/to go/ gone)
31. In winter, heating _________ for 50 percent of our electricity bill.
(takes/occupies/accounts/costs)
32. Energy can be collected by solar __________ on cloudy days. (boards/panels/bars/sheets)
33. If we don’t find ______________________ sources of power, we will use up all the fossil fuels in the
near future. (effective/efficient/natural/alternative)