21A 22C 23C 24B 25C
26. interesting
27. information
28. joyfully
29. unhealthy
30. disappearance
21.A=>takes part in
22.C=>to review
23.C=>couldn't pass
24.B=>enough money
25.C=>don't come
26.interesting
27.information
28.enjoyable
29.unhealthy
30.disappearance





