---guess how much is it ----i think it is ___15and 20 dollar
1个回答

选A between

我们一般做题时认为,between多用于两者之间,如本题15与20美元之间;而among用于三者或以上.

但刚又查了下.between可用于2或2者以上,但强调两者之间以及个体.如there are spaces between the rocks(强调个石头间).而among强调将名词看作整体.如Share out the books among the class.(class为整体)

详见参考资料

额 那我也不明白了⊙﹏⊙