_____ when the light went on last night?
题型:选择题
问题:
_____ when the light went on last night?
A.What were you doing
B.What have you done
C.What did you do
D.How were you doing
_____ when the light went on last night?
A.What were you doing
B.What have you done
C.What did you do
D.How were you doing