A lot of people find it useful to have a phrasebook when they travel to a country _____they don’t know the language.
#69433
A
where
B
when
C
why
D
which
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The president stood by a window inside the room, ____, looking over the square. 
#73411
A
where I entered
B
into which I entered
C
which I entered
D
that I entered
Is this factory ___________?
#70725
A
the one your father works in
B
where your father works
C
which your father works
D
your father works in