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Several weeks had gone by____________I realized the painting was missing.
#79764
A
as
B
before
C
since
D
when
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 It was after careful consideration ________we decided to take action.
#33720
A
which
B
that
C
why
D
when
.        he made up his mind, nothing could change it.
#32560
A
Before
B
Unless
C
When
D
Once
We expect her to do the housework as well _________ after the children.
#31614
A
as look
B
as looking
C
and look
D
Looking
Make good preparations for your self-driving trip ______ you’ll regret it when your car breaks down in a remote area.
#30868
A
and
B
so
C
but
D
or
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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