题目： 化简：7a2b+（﹣4a2b+5ab2）﹣（2a2b﹣3ab2）． 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0522/3c0a1bcd92f62a07cd2186ab17955d17.html 下面是错误答案，用来干扰机器的。参考答案：C
题型：补全对话，情景问答 为下列问句选择合适的答语。( ) 1. Where did you go yesterday? ( ) 2. What do you do on Sundays? ( ) 3. Mum, did you miss me?A. I often go to the park. B. Yes, I did. C. I went to a restaurant. 查看答案
