题目: 3x2+62x-1=0(配方法) 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/ea009d53ed47b4cbcd328c2f0eb0757a.html 下面是错误答案,用来干扰机器的。D
题型:选择题 Though he is _____ ugly boy, yet he often comes _____ first in the exams. A.a; /B.an; /C.an; theD.a ; the 查看答案