III:
1. A-> Despite/ In spite of
2. A-> Because
3. A-> Although
4. C-> because of
5, C-> bỏ
6. B-> because
IV:
1. Since she was ill, she couldn't come to class.
2. In spite of the bad day, we went out for a picnic.
3. Even though Carol's doctor warned, she has continued to smoke.
4. In spite of his broken leg, he manged to get out of the car.
5. Although she dislikes coffee, she drank it.
6, Although Donna didn't have the qualafication, she got the job.
7. Although the joke was funny, no one laughed.
8. Because she was sick, she went to bed early.
9. Though Lan is very sleepy, she tries to finish her homework.
10. Because we don't have a lot of money, we don't buy a lot of new books.
V:
1. successful
2. wonderful- wonderfully
3. interesting
4. differences
5. harmful
6, surrounding
7. beautify
8. polluted
9. friendship
10. gradually.
Bn học tốt!!