He’s not a perfect child. He sometimes talks back ____ his parents talk with him.
#55216
A
if
B
before
C
when
D
until
推荐题目
My sister ______ go to bed _______ my mother came back last night.
#55654
A
not until
B
doesn't; until
C
didn't; until
D
aren't; until
I’m tidy ,  my sister is not.
#56145
A
and
B
but
C
under
D
always