Metro Pocket Guide Metrorail(地铁) Each passenger needs a...
根据第三部分对Metrobus的介绍When paying with exact charge the fare is $1.35.When paying with a SmarTrip?card the fare is 1.25.可知如果使用SmarTrip?card的话,乘客可以节省0.1美元, 故答案选B。 4.细节理解题。根据文章末段内容If you lose something on a bus or train or in a station please ...