10. We have to work hard ……….home and…………….school.
11. She takes care ………….her family.
12. He works ……….a factory.
13. We always go to Halong Bay ……….vacation.
14. Tell me more ………..your family.
15. Can you send me a photo ………..your family?
16. She works ………a local supermarket.
17. He goes ……….the city …………his wife.
18. It takes 18 hours to get ………Hanoi ……….coach.
19. We write ……….each other twice a week.
20. My mother works……………the field………….my father.