C Choose the correct item. 15. Ben was looking forward to starting/ to start his new job at the animal shelter. 16. I can't stand to hear/ hearing about needless suffering. 17. Erica was proud to join/joining in the antiwar protest. 18. He will never forget to see/ seeing the Eiffel Tower for the first time. 19. The teacher made him writing/ write his essay again. 20. My brother agreed helping/ to help me clean the garage. 21. I can hear the children talk/ talking. They must still be awake. 22. Remember to lock/ locking the door when you are leave the house. 23. Countries should to support/support families living under the poverty line. 24. Tom is very anxious about passing/ pass the exam.