Sally took a photo of her friends while they _________ computer games.
#39111
A
play
B
are playing
C
have played
D
were playing
推荐题目
—What were you doing at 8 o’clock this morning?—____. 
#41774
A
I am having breakfast.
B
I want to go to visit my grandfather.
C
I was talking with my teacher at that time.
D
I stayed there for two days.