Answer:
1. Those businesses are open on Sunday.
2. That exercise is easy; isn't it?
3. There are new students in the classroom.
4. These watches are beautiful, but expensive.
5. That is not my client.
6. These necklaces aren't expensive; they are copies.
7. These dresses are beautiful, but are all too short.
8. These dishes are too dirty to use.
9. There is one new application.
10. These boys are my children.
11. Are those your gloves?
12. Aren't these men your neighbors?
13. These aren't my socks.
14. These beaches are beautiful, but dangerous.
15. These secretaries are new here, right?
16. This bracelet is silver.
17. Is this lady your friend? No, she is my cousin.
18. Is this your employee? No, he/she isn't (or you can keep it as "they aren't").
19. This is Sally's blouse; it is new.
20. This man is my neighbor.
21. This family is coming to the party.
22. This church is nearby.
These should be correct, I hope it helps!
