问题
选择题
－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
答案：C
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