1. Someone will probably find it and _______ (return, return to) it sooner or later.
2. She was ________ (worried about, worried) and asked him if he had seen a history book.
3. It looks ________ (exciting, excited), but I don't know how to surf.
4. Hawaii is famous ________ (for, of) its beautiful beaches.
5. His teacher, Miss Lee, spoke ________ (highly, high) of her student.
6. There was a truck _______ (collecting, collects) rubbish and throw it in.
7. You have helped _______ (protect, product) our environment.
8. There is _______ (much too, too much) water here. How can I get past?
9. Don't forget ________ (to tell, telling) me the time. I'd like to join you.
10.Make sure that all of the rubbish _______ (go, goes) into the dustbin.