I had been puzzled over the problem for over an hour without any result, all at once a solution flashed across my mind.
#33232
A
while
B
when
C
then
D
as
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When the news came the war broke out, he decided, to serve in the army.
#32940
A
since
B
which
C
that
D
because
The government should protect the old valuable buildings_______ they are not in harmony with the modern ones nearby.
#34804
A
even though
B
as if
C
so that
D
now that
It was March 11, 2011 ____ magnitude-9．0 earthquake struck Japan and subsequent tsunami triggered the large-scale crisis．
#31857
A
that
B
when
C
in which
D
which
The medicine works more effectively ______ you drink some hot water after taking it.
#79814
A
as
B
until
C
although
D
if
That is the best way you thought of _______ into trouble.
#32114
A
stopping some young people to get
B
to prevent some young people getting
C
keeping some young people getting
D
preventing some young people getting