According to a recent U.S. report, children spent up to 25 hours a week _______ TV.

According to a recent U.S. report, children spent up to 25 hours a week _______ TV.

1. A.
   watching
2. B.
   to watching
3. C.
   to watch
4. D.
   watch

According to a recent U.S. report, children spent up to 25 hours a week _______ TV.