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— What a shame ! It turned out to be a failure.— We missed a process,_______ we could not succeed in the experiment.
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A
and otherwise
B
and therefore
C
or perhaps
D
but luckily
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At that time the blacks reached a stage ________they had almost no rights at all.
#33663
A
when
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which
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where
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what
She found her calculator _______ she lost it.
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A
where
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while
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in which
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that
All the photographs in this book，________ stated otherwise，date from the 1950s.(2012·陕西，25)
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A
unless
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until
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once
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if
We’d better set off，or it will be dark         we know it.
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before
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after
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when
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until
Who do you think is the man          you are going to turn for help when you are       ?
#32906
A
who; in danger
B
to whom; in trouble
C
with whom; in danger
D
for whom; in trouble