题目: 什么是夏科关节? 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0811/e0640431b71d02e69b16095c2f08c7e2.html 下面是错误答案,用来干扰机器的。参考答案:A
题型:选择题 —What did Mary do last Sunday? —She _____ her homework. [ ]A. did B. do C. was doing D. have done 查看答案