两个圆的半径比是3:5,它们的周长比是3:5。[ ] 发布时间:2017-06-18 20:29 │ 来源:www.tikuol.com 题型:判断题 问题: 两个圆的半径比是3:5,它们的周长比是3:5。[ ]
题型:判断题 It is not enough only_______the rules of grammar if you want to learn English well.A.keeping in the mindB.to keep in mind C.to keep in your mind D.keeping in your mind 查看答案