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1. The students in grade 7 went on an excursion last year.
2. Minh will be fourteen next month.
3. Mr.Brown is teaching English now.
4. She does aerobics every morning.
5. He ate a lot of sweet some days ago and she is ill now.
6. They are having a party tonight.
7. She forgot to do her homework yesterday.
8. They are working on farm at the moment.
9. He often plays sport after school.
10. The dentists will fill the cavity for him.