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IV. Fill in each blank with a correct preposition. (2 pts)
1. It's very kind __________ you to let me use your bicycle.
2. I’ll try to get rid __________ those weeds.
3. I’d like to reward him __________ what he has done for me.
4. Mr. Brown is very proud __________ his new house.
5. She often helps her mother __________ the housework.
6. This alcoholic drink is made __________ rice.
7. What is rubber most useful __________?
8. They are __________ vacation in Da Lat at the moment.

V. Use the correct form of the word given in parentheses to fill in each blank. (2 pts)
1. The dentist __________ found two other decaying teeth. (EASY)
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