问题补充:
----Why didn’t you see me wave to you then ?
----Oh, If so. I must say sorry. I think I in the other direction.
A. looked
B. was looking
C. have looked
D. am looking
答案:
A. looked
(答案→)B. was looking
C. have looked
D. am looking
解析:考查时态。根据语境可知是陈述过去发生的事情。句意:—为什么那时你没有看见我向你挥手?—如果这样,我要向你道歉。我认为那时我正看别的方向。