10. I saw many people (swim).
Exercise 9. Make sentences negative or interrogative. Chuyển câu thành câu phủ
định nghi vấn (Câu hỏi ko có từ để hỏi)
1. Tony has Geography on Monday.
2. Our lessons end at 11 o'clock every day.
3. She invited some friends to the party.
4. Thomas Edison invented light bulb.
5. My grandmother rode a horse last week.
6. The girls are skipping.
7. There are some dictionaries on the bookshelf.
8. They were on the beach yesterday morning.
9. They were decorating the house all day yesterday.
10. They have already finished their homework.
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