（2014年北京市西城区高三5月二模试题）31. A person who has never tasted bitter won’t know ______ sweet is.
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A
which
B
what
C
when
D
why
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— Excuse me. Could you tell me __________ some stamps?— Yes. There is a post office on Xinhua Road.
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A
what can I buy
B
what I can buy
C
where can I buy
D
where I can buy
The students want to know ____ 1,600 words in a month.
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A
how can they remember
B
how they can remember
C
when could they remember
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when they could remember
The girl ___________ is sitting under the big tree is Lynn’s cousin.
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A
who
B
whom
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whose
D
which
---Do you know _____ back tomorrow?- --Sorry, I don’t know. When he _____ back, I’ll tell you.
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A
when does he come, comes
B
when he comes, will come
C
when he will come, comes
D
when will he come, will come
She had been in ________ doctors described as in a confused state of mind for five years.
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A
how
B
what
C
which
D
that