Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.
#31049
A
who
B
which
C
where
D
of which
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The doctor would allow him to go home _____ he remained in bed.
#79917
A
as though
B
for fear that
C
on condition that
D
as far as
Peter was so excited _________ he received an invitation from his friend to visit Foshan.
#31541
A
where
B
that
C
why
D
when