--Do you know the differences _______ the two words? --Sorry, I don’t know.
A. among
B. between
C. with
D. about
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There are _____ seasons in a year.
A. one
B. two
C. three
D. four
. He lives on _____ floor.
A. two
B. the second
C. second
D. the two
There _____some water in the glass.
A. have
B. has
C. are
D. is
I do it ______ you.
A. at
B. for
C. on
D. of