新视野大学英语视听说教程(第二版)3册quiz3(14)

1.Government organizations are helping people to dispose

____________ safely old refrigerators or, in the case of cars, to upgrade the air conditioning.

A. away

B. off

C. of

D. out of

2.As the students grow older, they can be more aware of all the

environmental problems that are ____________.

A. happening on

B. getting along

C. getting on

D. going on

3.If people throw cigarette butts on the floor, they should

____________.

A. fine