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
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Someone must have taken it away this morning, ____?
#65013
A
haven’t they
B
hasn’t he
C
don’t they
D
didn’t he
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
I'm sure you'd rather she went to school by bus,______?
#65385
A
hadn't you
B
wouldn't you
C
aren't I
D
didn't she
-___________ do you go to Old People’s Home?-Twice a month. 
#59921
A
How long
B
How soon
C
How often
D
How many times