【推荐1】For some time the expert __________ people of the health risks caused by passive smoking. He says he won’t stop until all the smokers around him decide to quit smoking.

A．is warned

B．is warning

C．has been warning

D．has been warned

【推荐2】____ of danger in the street at night, she had to go home, with a friend ____ her.

A．Warned; accompanied	B．Having warned; accompanying
C．Warning; accompanying	D．Having been warned; accompanying

【推荐1】Children under 14 have no ____________ the building unless __________ by an adult.

A．access for; accompanied	B．access to; having accompanied
C．access to; accompanied	D．access for; having been accompanied

【推荐2】______ at failing in the math exam, John wouldn’t like to talk about it to his parents.

A．Disappointed	B．To be disappointed
C．Disappointing	D．Having disappointed

【推荐3】Film has a much shorter history, especially when ________ such art forms as music and painting.

A．having compared with	B．comparing with
C．compare with	D．compared with