Whatever is left over may be put into the refrigerator，________ it will keep for two or three weeks.(2011·安徽)
#30498
A
when
B
which
C
where
D
while
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Reality is not the way you wish things to be, nor the way they appear to be,_____the way they actually are.
#80582
A
as
B
or
C
but
D
and
We’ll have a picnic in the park this Sunday _________ it rains or it’s very cold.
#79994
A
since
B
if
C
unless
D
until
. It is uncertain __ side effect the medicine will bring about, although about two thousand patients have taken it.
#34730
A
that
B
what
C
how
D
whether
I think you could complain, _______, of course, you are happy with the way thing s are.
#32612
A
which
B
that
C
unless
D
where
That art center is _______ used to be a factory, ______ millions of tractors were produced.
#32991
A
what; where
B
where; where
C
what; which
D
where; which