Fill in the blanks with the suitable preposition

nhanh nha mình cần gấp
II. Fill in the blanks with the suitable preposition

1. It was invented ……….….. 1977.

2. I’ll be at the office …………... 7 o'clock.

3. I saw him ………….. the morning

4. We arrived ……….….. 5 o'clock ……….….. the morning

5. Tom’s grandmother died in 1987 ………..….. the age of 81

6. In summer he always plays volleyball …………... Sundays

7. Olda and John arrived ……….….. the same time.

8. My mother is …………….. home now, but I'm ……..…….. work.
 

9. He always travels……….….. holidays and ……….….. vacation ………….. the beach.

10. I need ………….. buy new shoes ……….….. Sunday.

11. We prefer ………..….. have a vacation ………..….. Summer.

12. They visited their friends…………..…..the weekend.

13. They were talking …………….. work when the phone rang.

14. ….…………. Easter people usually eat chocolate everyday.