They live_____ the _____ floor.
#46447
A
on, nine
B
in, ninth
C
on, ninth
D
on, nineth
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I couldn’t follow what he said _______, but at last I understand. 
#46617
A
for the first
B
at first
C
the first
D
at the first
---When will they ______?     ---_______ the seventh of July.
#49619
A
arrive, On
B
arrive at, On
C
arrive in, In
D
arrive, In.
China lies    the east of Asia.
#51244
A
in
B
on
C
To
D
of