What purpose does the MRT serve?To provide a(n) ________ way to get about the c

游客2023-09-29  32

问题 What purpose does the MRT serve?
To provide a(n) ________ way to get about the city.
[br] What will happen if passengers stay in MRT over half an hour in addition to travel time?
Their tickets will ________

选项

答案 expire

解析 第二段最后一句指出在地铁内逗留时间不能超过半小时,否则车票就会expire(失效)。
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