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:考查代词时态。句意:你为什么没和我们招手呢?对不起,那时我一定是正在朝另一个方向看呢。根据句意强调刚才的某一时刻,应该用过去进行时,所以B正确。