首页 / 百科 / 内容详情 They switched m（） every 10-12 miles.（－－a horse that you ride on） 2022-05-01 1次阅读 switched every Miles They switched m（） every 10-12 miles.（--a horse that you ride on） 正确答案：mounts This relay system allowed mail to criss-cross the f（） in record time.（－－the edge of land where people live and have built towns, Later this route was ultimately j（） by growing North-South tension.（－－cause sth.to be harmed, lost or destroyed; put in danger） 猜你喜欢