问题补充:
—What were you doing this time yesterday?
—I some cleaning at home.
A. am doing
B. was doing
C. do
D. did
答案:
A. am doing
(答案→)B. was doing
C. do
D. did
解析:此题考查现在进行时的基本结构。根据上文,昨天这个时候你在正在做什么?可知下文描述的是过去某时正在进行的动作,故用过去进行时态,选B。
时间:2024-04-26 02:33:32
—What were you doing this time yesterday?
—I some cleaning at home.
A. am doing
B. was doing
C. do
D. did
A. am doing
(答案→)B. was doing
C. do
D. did
解析:此题考查现在进行时的基本结构。根据上文,昨天这个时候你在正在做什么?可知下文描述的是过去某时正在进行的动作,故用过去进行时态,选B。