They live_____ the _____ floor.
#46447
A
on, nine
B
in, ninth
C
on, ninth
D
on, nineth
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I’d like to trek ______ the jungle. 
#48264
A
through
B
across
C
over
D
on
Mary sits _________ the classroom and I sit _________ her.
#46294
A
in the front of, in the front of
B
in front of, in front of
C
in the front of, in front of
D
in front of, in the front of