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单项选择题

In 2006, she was elected______chairman of the Student Union.

A. an
B. a
C. \
D. the
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单项选择题______ the flood, the ship would have reached its destination on time.

A. In case of
B. Because of
C. In spite of
D. But for

单项选择题This kind of fresh water is not fit______

A. to drink
B. to be drunk
C. drinking
D. drunk