According to a recent U.S. report, children spent up to 25 hours a week _______ TV.

He is so addicted to smoking that ________ seems to be no chance of talking him into quitting.

________ him more time, and he _____ show us his talent.

Our teacher entered the classroom, __________.

The cat is the only one of her pets ___   she will have ____ on her bed.

I was just _______to go out when the telephone rang ．

____some doubt among scientists about the cause of cancer.

I had hardly got to the office ______ my wife phoned me to go back home at once.

—Are you still working in that company, Mary?
—No, it is ten months ____ I worked there．

As far as I see, _______ is no possibility _________ he will win the tennis match this time.