题目

I’m sorry I         you         a meeting.   A. don’t know; are having  B. don’t know; were having C. didn’t know; were havingD. haven’t know; are having 答案：C数轴上一点从原点正方向移动3个单位，再向负方向移动5个单位，此时这点表示的数为A.8B.-2C.-5D.2