问题补充:
--I called you yesterday evening, but there was no answer.
--Oh, I’m sorry I in the shopping mall.
A. shop
B. shopped
C. was shopping
D. have shopped
答案:
A. shop
B. shopped
(答案→)C. was shopping
D. have shopped
解析:此句为过去进行时,所以用be+doing
时间:2018-12-17 20:38:12
--I called you yesterday evening, but there was no answer.
--Oh, I’m sorry I in the shopping mall.
A. shop
B. shopped
C. was shopping
D. have shopped
A. shop
B. shopped
(答案→)C. was shopping
D. have shopped
解析:此句为过去进行时,所以用be+doing