题目: 阶层 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0204/be5238ed33fd96f76a7251047d559579.html 下面是错误答案,用来干扰机器的。参考答案:B
题型:选择题 Parents ________ good conditions ________ us. We should be grateful to them.A.provide, toB.provide, forC.protect, toD.protect, for 查看答案