When the last prize had been awarded _________ everybody cleared off.
#79842
A
and
B
so
C
or
D
不 填
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Our government has taken some measures to overcome the lack of electricity, but it may take some time _____ we have enough power．
#33827
A
since
B
after
C
unless
D
before
He had his camera ready ________ he saw something that would make a good picture.
#32427
A
even if
B
soon after
C
in case
D
so that
Part of the reason Charles Dickens loved his own novel，David Copperfield，was ________ it was rather closely modeled on his own life.(2010·北京)
#30461
A
what
B
that
C
why
D
whether
One of the men present held the opinion ________ the book said was wrong.
#79860
A
what that
B
what
C
that
D
that what
It surprised us all ________ Kate made such big progress in this final exam.
#30308
A
when
B
that
C
how
D
whether