Viết câu phủ định và nghi vấn
Ex: I saw her at the meeting last night
I did'nt see her at the meeting last night
Did you see her at the meeting last night?
1. Her mother wrote a sick note for her
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2. Nam was absent from school yesterday
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3. I had a bad cold two days ago
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4. Many students caught flu last month
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5. They were happy with their life
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6. He suggested going out for dinner
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7. I was busy last Sunday
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8. We enjoyed our summer vacation
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