He got himself into a difficult situation ________he must make a final decision all by himself.
#76149
A
which
B
what
C
when
D
where
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The Great wall is the only one of the buildings on the earth_____ seen from the moon.
#77718
A
which is
B
which are
C
that are
D
that is
It’s helpful to put students in a situation _______ they can learn how to cooperate with each other.
#75207
A
that
B
when
C
which
D
where
She may have missed the train, she won’t arrive for another hour.
#78200
A
in that case
B
in this case
C
by which case
D
in which case
The villagers dug many tunnels _____ they could fight against the enemies.
#76251
A
by which
B
through that
C
through which
D
to which