标题: 大家帮帮忙~SC大全 [打印本页] 作者: 仙蒂瑞拉 时间: 2009-12-26 23:16 标题: 大家帮帮忙~SC大全 2. Those who have visited the Grand Canyon have typically seen layers of sediment in the gaping canyon, with different colors that mark the passage of time like the rings in a tree trunk.
(A) seen layers of sediment in the gaping canyon, with different colors that mark
(B) see layers of sediment in the gaping canyon, whose different colors mark
(C) been seeing layers of sediment in the gaping canyon, whose different colors are markers of
(D)been able to see layers of sediment in the gaping canyon, with different colors marking
(E) seen layers of sediment in the gaping canyon, marking by different colors