Both his parents look sad. Maybe they ________ what happened to him.

There was never any time for Kate to feel lonely, _____ she was an only child.

No wonder you caught a cold. You _____ out last night without a coat. — I know how silly I was.

The man ______ on the ground was found ______, and was sent to the hospital at once.

Morgan, could you tell me _____________—In the Mexican city of Cancun.