—___ __must I take this medicine every day? —Three times a day.
#70492
A
How long
B
How often
C
How far
D
How
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Few of them hurt themselves in the accident , ______?
#68988
A
don’t they
B
didn’t they
C
did they
D
do they
—Did you go to Jack’s birthday party? —No, I _______. 
#69316
A
am not invited
B
wasn’t invited
C
haven’t invited
D
didn’t invite