单项选择题
A．was B．are C．is D．were
A. it’s full B. Good question C. I bet that was fun D. Good idea E. I used to F. fewer cars G. Look H. Hey
A．urging their governments to control litter and waste B．cutting down the use of oil and other oil products C．reducing unnecessary buying, over-consumption and careless disposal of wastes D．making anti-pollution advertisements