Is this eraser __________ –No, it’s not ________. It’s Jim’s.

This is a very interesting book with lots of new words. Please ______ it carefully.

I really appreciate ________ to relax with you on thisnice island.

He didn’t regret saying what he did but felt that he ____ it differently.

The sportsman ________save a drowning boy that afternoon；the boy’s parents appreciated him very much.[ ]