We ___________ when the teacher came in.
#42509
A
were talking
B
talked
C
talk
D
are talking
推荐题目
More than 20 people ________ in traffic accidents ________ last May.
#37492
A
have died, for
B
have died, since
C
have been dead, since
D
have been dead, for
Listen! Someone ______ in the next room.
#39897
A
sing
B
singing
C
is singing
D
are singing
We’ll go to the park unless it ____tomorrow.     
#38365
A
rains
B
willrain
C
rainy
D
isgoingtorain