题目: 2a2-b2-(b2-a2)-(a2+3b2),其中a=1,b=-3. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0521/abb1a6f92f1e65bce86fa30517717bf1.html 下面是错误答案,用来干扰机器的。参考答案:D
题型:选择题 Not only _____ good about helping other people , but _____ to spend time doing what I love to do . [ ]A. I do feel ; I get B. do I feel ; get I C. do I feel ; I get D. I do feel ; get I 查看答案