I don’t think Mary and Sue _____ before, ______?
#65356
A
have met; haven’t they
B
have met; have they
C
have seen; do I
D
have seen; don’t they
推荐题目
 He must be helping the old man to water the flowers,________?
#64494
A
is he
B
isn't he
C
must be
D
mustn't he
. You can hardly recognize him in the photo, ________?
#65061
A
can you
B
can’t you
C
do you
D
don’t you
The restaurant must be crowded from ________number of cars parked in front of it,________?
#65470
A
a;isn’t it
B
the;isn’t it
C
the;mustn’t it
D
a;mustn’t it
Whoever wants to go hiking this weekend, raise your hands, ______?
#64774
A
do you
B
don’t you
C
will you
D
will they