1. Nam: The police ______ searching for the lost boy. - Lan: I hope they find him soon.

2. Nam: Her luggage ______ been checked at the airport. - Lan: That's good.

3. Nam: A lot of flowers ______ in the garden every spring. - Lan: They are so beautiful.

4. Nam: Neither Tom nor his brothers ______ to go out tonight. - Lan: So they will stay at home.

5. Nam: Each student ______ a different task to do. - Lan: The teacher is very organized.

6. Nam: The United States ______ many famous cities. - Lan: Yes, like New York and Chicago.

7. Nam: A large number of students ______ playing sports now. - Lan: The playground is very crowded.

8. Nam: The number of students who joined the club ______ small. - Lan: Maybe more will join next week.

9. Nam: Not only Tom but his sisters ______ fond of music. - Lan: They often go to concerts.

10. Nam: Traffic in this city ______ me feel tired. - Lan: You should go by bus.

11. Nam: Maths ______ a lot of practice to master. - Lan: I agree with you.

12. Nam: Both Mary and Lan ______ to study abroad next year. - Lan: They are preparing for it now.

13. Nam: Several flowers ______ watered by the gardener every morning. - Lan: He is very hardworking.

14. Nam: Everybody ______ to have a good job in the future. - Lan: That is a common dream.

15. Nam: The furniture in the living room ______ made of wood. - Lan: It looks very elegant.

16. Nam: Two kilometers ______ not too far for a morning run. - Lan: You're right, it's just right.

17. Nam: Someone ______ left a book on my desk. - Lan: Is it yours?

18. Nam: The sun ______ in the East. - Lan: That is a basic fact.

19. Nam: We as well as she ______ very excited about the trip. - Lan: Let's prepare everything carefully.

20. Nam: Much soil ______ needed for these new plants. - Lan: I will go and buy some.

21. Nam: The rich ______ usually expected to help the poor. - Lan: That's a noble thing to do.

22. Nam: News about the new project ______ been announced. - Lan: Finally!

23. Nam: Eating cakes ______ bad for your health if you eat too much. - Lan: I will be careful.

24. Nam: A group of students ______ visiting the factory today. - Lan: They want to see how things are made.

25. Nam: Their children ______ always polite to everyone. - Lan: Their parents must be very proud.