题目内容:
Accordingtothepassage,itispossibletosavefivepercentofthetotalpassengercardemandforgaseachyear,if__________. A.peopleallsharecar-tidinginsteadofowningtheirowncars
B.allthecarscutoffonetripon10mileseachweek
C.twopeoplegoshoppingfromtimetotime
D.peopleusetelephonesinsteadofdrivingcars
参考答案:
答案解析: