---When is Christmas?--- It’s _____ December 25.
#49708
A
in
B
to
C
on
D
at
推荐题目
Who argued ______ your best friend?
#50724
A
with
B
about 
C
under 
D
beside
Kitty lives________ the ground floor and Sandy lives ________floors________ her.
#48975
A
in, three, above
B
on, third, below
C
in, three, below
D
on, three, above