Work means much to me. It is ______ of my life ______ air, water and sunlight.
The flowers ______ my mother, but my sister thought they were for her and took them.
He sent me an e-mail, ________ to get further information.
At home, he keeps some pets,to which he ______ all his spare time.
—Do you know the tall man ______ to Mr King over there?—Sorry, I don’t know him.
On the bus, all the people except the driver ______ to talk and laugh during the journey.