A group of young men hope that getting this kind of job will finally be the ticket to success.

—God！My cell phone is missing.—You ________ have left it at home.I heard you telephone our daughter in the bathroom.

It was playing video games that took the boy too much time that he          have spent learning．

He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.

—______ I take the magazine away from the reading room?— No, you mustn’t. You ______ read it only here.