---What do you think of the American singer Lady Gaga’s performance?---Too crazy, but if I _____to her concerts held yesterday, I would have enjoyed it.
—Did your sister pass the exam? —She failed and is in low spirits. —I’m sorry for her. —____.
Jack felt unhappy as they all went outing ____ him.
The police have ____ power to deal with such matters by ____ law.
That she hadn’t kept her ____ on her work resulted in the failure.
The little girl couldn’t work the problem out. She wasn’t ____ clever.