题目: 方形架体连接件呈方形,四角有四个小圆孔,用于连接单片架体组构成构成桁架柱的连接件。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0219/511c32b9076efc73d10ad9f84de4f1fe.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 I always forget some news . I am very upset. and don' t know _______ . A. how to do. B. when to do. C. what to do . 查看答案
题型:选择题 Tomorrow is ___Mother’s Day and I’ll make beautiful card for my mother.A.a;theB./;theC./;aD.a;a 查看答案