单项选择题

So far there is no proof ______ people from other planets do exist.

A. which
B. how
C. what
D. that
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单项选择题
A. Yes, you may. B. Certainly. Here you are. C. Sure. You’re welcome. D. Why not
A. Yes, you may. B. Certainly. Here you are.
C. Sure. You’re welcome. D. Why not
单项选择题
Judges must be independent ______ political interference.
A. to
B. of
C. on
D. for
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