1. “Điền mạo từ thích hợp vào chỗ trống (a/an/the/không dùng mạo từ: đánh dấu x)”
I have apple in my bag.

2. She is teacher at the local school.

3. We went to park yesterday.

4. He bought orange from the market.

5. My mother is doctor.

6. I need umbrella because it’s raining.

7. sun rises in the east.

8. They visited museum last weekend.

9. I saw cat on the roof.

10. water in the lake is very clear.