标题: ＰＰ语法２－２８ [打印本页] 作者: guolihong 时间: 2003-8-29 11:07 标题: ＰＰ语法２－２８ ２８Most meteorites are thought to be fragments form asteroids, ____ some may be pieces from the heads of comets. The answer is D(but if). Why not although?作者: 困难是弹簧 时间: 2003-8-29 13:13
答案是C although