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 Female pandas usually have one or two babies ________.
#48305
A
at times 　　
B
at once
C
at all times
D
at a time
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—Where’s Mary?   —She’s ________ the classroom.
#48804
A
in front of
B
between
C
in middle of
D
under
They live_____ the _____ floor.
#46447
A
on, nine
B
in, ninth
C
on, ninth
D
on, nineth
I want to see my grandparents _________ 8 a.m. _________ this Sunday.
#47585
A
at; in
B
in; on
C
at; on
D
at, \
Peng Liyuan,         First Lady of China invited Obama’s wife and his children to visit China         March, 2014.
#45859
A
a; on
B
the; in
C
a; in
D
the; on
Let’s talk about the differences _________ Chinese and English names.
#47365
A
on
B
of
C
between
D
with