điền từ

19. I'm very grateful ________ her ________her help.
20. She is very jealous ________ her sister.
21. I'm very sorry ________ what I have done.
22. Miss White was very upset ________ the news of her father's death.
23. Don't you think you should try to be friendly ________ your classmates?
24. My daily expense are just about equal ________ my income.
25. We were very doubtful ________ his ability.
26. The gloves aren't very suitable ________ that kind of work.
27. She was sad because he was rude ________her.
28. Thank you. You are kind ________ me.
29. Everybody was surprised ________ the news. 30. Are you excited ________ going on holiday next week?