Điền giới từ thích hợp vào hỗ trống
----- Nội dung ảnh -----
6
Circle the correct answer. (Khoanh tròn đáp án đúng)

1. We are studying (in / at) Sai Gon University.
2. There are 40 students (in / at) our class.
3. I saw a mouse (in / on) her shoe.
4. I'm busy now; I am finishing my final research (in / at) the moment.
5. They often make big meals (on / at) New Year's Eve.
6. In the UK, many people go home to see their families (on / at) Christmas.
7. My appointment is (on / at) 5 o’clock.
8. Luckily the weather was perfect (on / at) Thursday morning.
9. I left work (at / in) 10 o’clock last night.
10. They were very popular (in / at) the 1980s.
11. The telephone and the doorbell rang (at / in) the same time.
12. I shall see her (on / at) her wedding day.
13. The course begins (on / at) 7 January.
14. (In / At) the beginning of the week.
15. April.