It is in Steven Spielberg’ s first film, Jaws, ____ a big white shark attacks swimmers ____ are spending their holidays in a small village by the sea.

The teacher said that ______ of the boys would take part in the talent show.

What’s the low-carbon(碳) life style like?—-Save energy, produce carbon.

Is Mr. Smith driving here? —I’m not sure. He ______ come by subway.

The policeman helped the old man _____ the street.[ ]