I. Đặt câu hỏi cho các từ gạch dưới trong các câu sau.
1. Our class starts at 7 o'clock.
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2. Hoa works 20 hours a week.
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3. Hoa is definitely not lazy because she works about 45 hours a week.
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4. Tim's father gets about seven public holidays each year.
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5. We will visit Tim during the summer vacation.
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6. Farmers work very hard.
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7. After breakfast he feeds the buffalo, pigs and chickens.
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8. When there is less work, Mr. Tuan takes a day off.
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9. The summer vacation lasts about two months.
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10. They often go to the countryside on vacation.
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