用marathon,pair,since造句

用marathon,pair,since造句 请用'pair of "造句 用ever since(业余时间)造句 shirt shoe pair造句 英语用while、when、since等造句 用yet、ever、never、since、for造句! 急!求用collect、shell、pair、since、several、stamp、globe、run out of、 (1/2)the marathon has been an olympic event since the modern ever since 造句 persuade造句 when since before造句? 现在完成时 since造句 用since造句是现在完成时,since后面的时间点最好是几点几点,要翻译