Judging from what has happened here, it’s high time that we _______effective measures to prevent this.

How’s now–I hear the company ______ him a very good job, but he turned it down.

__What’s the matter —I’m having trouble_____ who has taken my book.

It’s _____ unusual thing for ______eight-year-old girl to find ____UFO.

In the UK, lady usually doesn’t like to be asked _______．