8. A but
9. C scientific
10. D as a result
II
1. she wanted her room to look nice at the festival
2. she was cleaning their house
3. Trung said he would clean all the class windows the following day
4. Lan said she was having a good time there
5. Mary said they could play the guitar
6. Mr Robinson said they were going to the rice-cooking festival
7. The boy said that room was cleaned everyday by his sister
8. Quang told her he had something to show her then
9. He said he was leaving for HN the following day
10. Lan said she would come with me as soon as she was ready
III
1. improvement
2. technological
3. unsuccessful
4. Researchers
5. exploration
6. chemicals
IV
1. C there
2. A pollution
3. B needed
4. A untreated
V
1. C 3#2
2. A 3 #1
VI
1. B warming
global warming : nóng lên toàn cầu
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2. A native
3. C clean
4. C contaminated
5. A What
6. A don't act
7. B floods
8. C mudslide
VII
1. culture
2. flooded
3. natural
4. polluted
VI
1. B erupts
2. C their
3. C flow
4. C destructive
5. B also
6. A historical
7. A areas
8. A to
VII
1. were you, I would recycle these plastic carrier bags
2. was painted by a local artist
3. his room is untidy, his mother is unhappy
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3. The contaminated food results in people's poor health
4. The air breathe gets polluted due to fumes released by factories
VII
1. B as
2. B However
3. C occurs
4. D gaze
5. D wasteful
6. D are used
7. C loss
8. B Too much
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I.
1. C between
2. D an important concern
3. D told
4. invent
5. B study
6. D success
