(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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When changing lanes, a driver should use his turning signal to let other drivers know      .
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A
he is entering which lane
B
which lane he is entering
C
is he entering which lane
D
which lane is he entering
I asked my lawyer      say in court . 
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A
what I should
B
what should I
C
how I should
D
how should I
—Excuse me, Could you tell__________? —Yes. Go along this street and you will find it on your left.
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A
where is the museum
B
which is the way to the museum
C
how far is the museum
D
how can I get to the museum
---Do you know __________?---Sure, it’s a mouse.
#38092
A
How it calls
B
how does it call
C
what it is called
D
what is it called