下列各项中，没有语病的一项是（ ）

Cocaine’s being often used as painkillers can give rise to the________belief that it is not an addictive drug.[ ]

The price of this camera is quite _____ . I don’t have enough money to buy it.

Students in our school are encouraged to________more activities after class in order to broaden their knowledge.[ ]

Did you notice anyone _________ the house