问题补充:
— Amy, I called you yesterday evening, but nobody answered the phone.
— Oh, I a walk with my mother at that time.
A. take
B. took
C. am taking
D. was taking
答案:
A. take
B. took
C. am taking
(答案→)D. was taking
解析:时态考查题。这是两个人之间的对话,第一个人说:“Amy,我昨天晚上给你打电话,但是没有人接电话。”第二个人说:“我在那个时候正在和我的妈妈散步”。根据上下文语境,在过去的某一时间,正在做某事,要用过去进行时,故选D。