单项选择题

______ rapidly by the body, sugar provides a quick energy source.

A．Digested
B．Digesting
C．To digest
D．Having digested
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单项选择题
It was in Indonesia, the UN officials believe, ______ the tsunami (海啸) caused the greatest damage.
A．where
B．which
C．when
D．that
单项选择题
______ , they had no chance of winning the war.
A．They fought as bravely
B．As bravely they fought
C．Bravely as they fought
D．As they fought bravely
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