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1. Alex____hasnt done _____ (not do) the gardening before it started raining.
2. The amount of plastic in the ocean_____will increase____ (increase) if we_____dont take____ (not take)
action now.
3. Outdoor air pollution_____causes____ (cause) more than 3 million deaths a year.
4. There____have been_____ (be) more than 80,000 wildfires so far this year.
5. What would you do if you_____catched____ (catch) in a hurricane’s path?
6. By the time Hurricane Gilbert_____hit____ (hit) Mexico it___had changed______ (change) characteristics.
7. Heavy rains___láhed______ (lash) the coast of Orissa and Andhra Pradesh in 2013.
8. In the early morning hours, tornado warnings____issued_____ (issue) for storms in Oklahoma.
9. Water pollution makes aquatic plants and animals______die + Ving___ (die).
10. Survivors said that many people managed_____escaped____ (escape), but they could not run
away fast enough.
III. Complete the sentences with the correct form of the verbs in brackets.
1) If we DON'T RECYCLE ( not recycle) paper now, we'll need to cut down more trees in the future.
2) If the local people HAD (have)
fresh water, they wouldn't have to use polluted water.
3) What WOULD HAPPEN ( happen) if radioactive material was not handled properly?
4) If we recycle more household waste, there WILL BE ( be) less damage to the environment.
5) If we DIDN'T UNDERSTAND ( not understand) environmental ptoblems, we would not be able to do anything about them.
6) If the polar ice-caps melted completely, Sea levels worldwide WOULD RISE ( rise) about 60 metres.
7) The amount of plastic in the ocean WILL INCREASE ( increase) if we DON'T TAKE ( not take) action now.
8) These fish WOULDN'T DIE ( not die) if the factory DIDN'T DUMP ( not dump) its toxic waste into the river.
9) There WON'T BE ( not be) enough oxygen if we DON'T PROTECT ( not protect) the rain forests.
10) If I WERE ( be) the President, I WOULD BAN ( ban) billboards in cities in order to reduce visual pollution.
1. used
2. will help
3. are dumped
4. has been settled/ began
5. be caused
6. are destroying
7. classified
8. increases/ will runn into
9. would happen/ disappeared
10. was watching
11. buying
12. die
C. Give the correct form of the verbs in brackets
1. after he had read the book, he wrote a review of it
2. he did not leave his office until he finished work
3. if he breaks his promise, i shall never speak to him again
4. if the weather is fine we will go for a picnic
1 will miss
2 visit
3 went
4 is performing
5 hasn't driven
6 was cancelled
7 Will you go
8 see
9 to climbing
10 throwing
1. will miss
2. visit
3.went
4.is performing
5.hasn't driven
6.was cancelled
7.will you go
8.see
9.to climbing
10.throwing
Tham khaoe
VI. Write the correct form or tense of the verbs in brackets.
1. At present, the social networks are becoming (become) more popular among young generation.
2. I haven't listened (not listen) to their new CD yet. Is it any good?
3. When I was a student, I didn't like (not like) doing homework.
4. Facebook was found (found) in 2004 by Mark Zuckerberg and Eduardo Saverin.
5. The American spend (spend) 34 hours a week watching television.
6. Have you ever made (you/ ever/ make) origami cranes?
7. I’ve just bought a new CD of folk songs. I am going to listen (listen) to it tonight
8. Do you adore lying (lie) in a hot bath?
9. Please try to arrive (arrive) punctually at 8.30.
10. Many teenagers prefer watching (watch) TV to reading (read) books.
VII. Match the questions to the answers.
1 - h
2 - g
3 - a
4 - b
5 - c
6 - e
7 - f
8 - d
1 hadn't done
2 will increase - don't take
3 has caused
1 hadn't done
2 will increase - don't take
3 has caused
easy vãi