如图示能正确表示各种概念之间关系的是( ) A.①②③ B.②③④ C.③④⑤ 发布时间:2017-05-20 00:40 │ 来源:www.tikuol.com 题型:选择题 问题: 如图示能正确表示各种概念之间关系的是( )A.①②③B.②③④C.③④⑤D.①④⑤
题型:选择题 — Aren't they working? — _______, but they aren't working well. — Sure, we need a hand. [ ]A. No, they aren't B. Yes, they are C. Sorry, I don't know D. Sure, they do 查看答案