题干
-----Oh, it’s you. I _____ you.
-----I’ve just have my hair cut and I’m wearing sun glasses.
-----I’ve just have my hair cut and I’m wearing sun glasses.
A：didn’t recognize
B：hadn’t recognized
C：haven’t recognized
D：don’t recognize
答案(点此获取答案解析）
A
>0,函数y=sin(
)+2的图像向右平移
个单位后与原图像重合，则