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[单选题]
A. when B. where C. which D. what
A.when
B. where
C. which
D. what
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A.when
B. where
C. which
D. what
Balloons float in the air_________ boats do on the sea.
A. just as
B. when
C. that
D. where
It is a process during ______ the body releases water to cool the skin.
A. when
B. which
C. where
D. that
We have reached a point ______ a change is needed.
A. where
B. that
C. which
D. when
A. parking
B. where to park
C. to park
D. where parking
A. that
B. why
C. where
D. when
—______are you trying to prove to the police?
—Where I was last night.
A. What
B. Why
C. How
D. When
A. that
B. when
C. which
D. where
A. that
B. it
C. what
D. when