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nếu câu trả lời hữu ích nhé!
V.
1. polluted
2. carefully
3. carelessly
4. disappointed
5. pollutions
6. pollution
7. conservationists
8. unpolluted
9. disappointed
10. carefullly
VI.
1. hear -> hearing
2. in -> on
3. now -> then
4. play -> playing
5. finish -> finishing
6. help -> to help
7. took -> will take
8. don't -> not to
9. occurs -> occured
10. for -> after
11. ought bring -> ought to bring
12. was -> is
13. many -> much
Hãy giúp mọi người biết câu trả lời này thế nào?
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