20. We decided grandparents soon.(visit)
21. It's no use about it now.(argue)
22.Sorry. I can't you today, I'm very busy. (help)
23.Fancywith me to the cinema? (go)
24. Liam must attentive at school. (be)
25.I usually avoid sweets. (eat)
26.It's not worth (try)
27.I can't stand my homework late at night. (do)
28. She tried glasses but she couldn't. (wear)
29. The criminal denied the crime. (commit)
30. Victoria is good at (swim)
20. To visit. 21. Arguing. 22. Help. 23. Going. 24. Be. 25. Eating. 26.trying. 27. Doing. 28. Wearing/to wear. 29. Committing. 30. Swimming
Объяснение: