-______ girl is your sister over there?- The one in red. 
#42281
A
Who
B
Which  
C
What  
D
Where
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I have ______ things to do today.
#43260
A
too many
B
too much
C
much too
D
very much
--________do you go to the dentist? --Let me see, twice a year, maybe.
#42241
A
How many
B
How much
C
How often
D
How soon