5个身高不等的学生站成一排合影,从中间到两边一个比一个矮的排法有( ) A.6种B 发布时间:2017-05-12 22:14 │ 来源:www.tikuol.com 题型:选择题 问题: 5个身高不等的学生站成一排合影,从中间到两边一个比一个矮的排法有( )A.6种B.8种C.10种D.12种
题型:选择题 People ______ long distances frequently have to decide whether they would prefer to go by land, sea or air. A.to travelB.travelledC.travelD.travelling 查看答案