1. Nam: What did you spend your money ______? - Lan: I bought a new hat.

2. Nam: I want to invite you ______ my birthday party. - Lan: Thank you, I'd love to!

3. Nam: Does your trip depend ______ the weather? - Lan: Yes, if it rains, we won't go.

4. Nam: When did you arrive ______ the airport? - Lan: At 2 p. m. yesterday.

5. Nam: Did you complain ______ the cold food? - Lan: Yes, the waiter was sorry.

6. Nam: Can you help me choose ______ these two shirts? - Lan: The blue one is better.

7. Nam: I need to borrow a pen ______ Lan. - Lan: Here you are, Nam.

8. Nam: We arrived ______ Hanoi this morning. - Lan: Welcome to the city!

9. Nam: What are you dreaming ______? - Lan: A big house in the forest.

10. Nam: Don't forget to say goodbye ______ your teacher. - Lan: Yes, I will.

11. Nam: I agree ______ you about the film. - Lan: It was really great!

12. Nam: Did you smile ______ the baby? - Lan: Yes, she is so cute.

13. Nam: Who does this book belong ______? - Lan: It's mine.

14. Nam: Can we talk ______ the new project? - Lan: Sure, let's start now.

15. Nam: I'm thinking ______ going to the beach. - Lan: That sounds fun!

16. Nam: Did you apply ______ that job? - Lan: Yes, I'm waiting for the result.

17. Nam: Please don't shout ______ me. - Lan: Sorry, I'm just stressed.

18. Nam: Do you often argue ______ your brother? - Lan: Sometimes, about the TV.

19. Nam: I need to prepare ______ my exam. - Lan: Good luck, Nam!

20. Nam: Can you translate this ______ English? - Lan: Yes, let me see.

21. Nam: We should apologize ______ being late. - Lan: You're right.

22. Nam: Does he still suffer ______ headaches? - Lan: Yes, very often.

23. Nam: I'll pay ______ the drinks. - Lan: That's very kind of you.

24. Nam: What happened ______ your phone? - Lan: I dropped it.

25. Nam: Don't laugh ______ my mistake! - Lan: Sorry, I didn't mean to.