C. Underline the correct item. 16. He avoids to travel/travelling by plane because of his phobia. 17. Helen will never forget dancing/to dance with Tom Hanks at the party. 18. Let’s spend our weekend to shop/shopping downtown. ...

C. Underline the correct item. 16. He avoids to travel/travelling by plane because of his phobia. 17. Helen will never forget dancing/to dance with Tom Hanks at the party. 18. Let’s spend our weekend to shop/shopping downtown. 19. Mark has decided to become/becoming a lawyer as his father. 20. If you want to be successful you should use/to use your imagination. 21. Julia is looking forward to getting/to get a mail from her boyfriend. 22. Looking at Tom’s funny face I couldn’t help laughing/to laugh. 23. Dad, really I promise to look/looking after my younger sister. 24. What you can do/to do is just not to mind your business. 25. Don’t let him to eat/eat ice cream or he will get a sore throat.