—Alice, you feed the bird today;______ ?  —But I fed it yesterday.            
#65414
A
do you
B
will you
C
didn’t you
D
don’t you
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
—          do you exercise?— Twice a week.
#59848
A
How long
B
How many
C
How often
D
How soon
They must have finished the work by the end of last month, ______? 
#64447
A
hadn’t they
B
mustn’t they
C
haven’t they
D
didn’t they
I told them not everybody could run as fast as you did, _____?
#64898
A
ould he
B
didn’t I
C
didn’t you
D
could they