---Emma has to stay at home to look after her little sister,  ? ---Yes, because her mother has gone to the supermarket.
#69743
A
does she
B
is she
C
doesn’t she
D
hasn’t she
推荐题目
Tom hardly hurt himself in the accident, ________?
#69383
A
didn’t he
B
does he
C
doesn’t he
D
did he
__ is really hard __ them to climb Mount Tai. 
#69186
A
This, to
B
It, to
C
This, for
D
It, for