Examination compositions, together with most business letters and government reports, are the main situations ____ formal language is used.
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A
in which
B
on which
C
of which
D
for which
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_________ you may have, you should gather your courage to face the challenge.
#67618
A
Whatever serious a problem
B
However serious a problem
C
However a serious problem
D
No matter how a serious problem
____ was known to them all that Bob had broken his promise ____ he would give them a rise.
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A
As; which
B
What; that
C
It; that
D
It; which
______ difficult the problem was, he tried his best to solve it.
#68408
A
No matter
B
Although
C
Whatever
D
However
President Xi appeared in Zhongshan suit in Dutch, ____ displayed the leader's national pride and confidence
#66775
A
as
B
where
C
that
D
which