sbiggestfund的精选

问题详情： 完形填空。OxfamTrailwalker 1 oneofHongKong’sbiggestfund-raising 2 since1981.Itwasknown 3 Trailwalkerbefore.Itis 4 byOxfamHongKongtoraisemoneyforhelpingpoorpeopleinHongKongand 5 pa...