— __________ did you pay for it?— $10.
#60071
A
How often
B
How many
C
How soon   
D
How much
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— ______ will you stay in America?— About two months. 
#60044
A
How many
B
How often
C
How long
D
How
Whoever wants to go hiking this weekend, raise your hands, ______?
#64774
A
do you
B
don’t you
C
will you
D
will they
-----Have you got any carrots?   ----No, I _______.
#60151
A
have
B
haven’t
C
don’t
D
am not