3. His mother passed away IN 2021 AT the age of 61 duc to Covid-19.
4. You must not smoke IN no smoking area.
5. My class is ON the fifth floor of TH school.
6. I last saw him IN Paris AT his mother's house ON 31th May 2020.
7. I looked at the bookshelf and found favourite book ON the top shelf.
8. My house is BETWEEN a bookstore and a supermarket.
9. John is the boy standing WITH Elene.
10. There is a map ON the wall ABOVE the teacher's desk.
11. All students are waiting AT the school gate.
12 và câu 13 điền giới từ gì cũng đúng. (12 điền gt xong thêm the đằng sau)
14. The lesson starts AT 7:30 and ends AT 11:30.
15. The car is not in the garage. It is IN the house.