Nobody （) the idea that the earth is flat until Copernicus （哥白尼) raised his theory.
A. considered
B. believed
C. challenged
D. disputed
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The football match went on （) it was raining.
A. as if
B. even though
C. as long as
D. instead of
It was reported that 41 people were killed in a plane （) in the Himalayas last week.
A. crash
B. clash
C. crush
D. attack
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