It was a great _____ for him to be pleasant to people he didn't like.

It is reported that some mainland visitors to Hong Kong Disneyland didn't _______ the park rules and behaved improperly.

--- How do you find the movie Avatar？ --- Fascinating. It is ____________ again.

Does this meal cost $50? I ____something far better than this?

William found it increasingly difficult to read，for his eyesight was beginning to  ．