问题补充:
-Oh, it’s you, Steve! I you.
-No surprising. I’ve just had my hair cut.
A. don’t recognize
B. haven’t recognized
C. didn’t recognize
D. hadn’t recognized
答案:
A. don’t recognize
B. haven’t recognized
(答案→)C. didn’t recognize
D. hadn’t recognized
解析:因为说话时已经认出来了,指在说话之前“刚才我没有认出你来”,所以用一般过去时