单项选择题

I went there in 1988, and it was the only occasion when I ______ the journey in.exactly two days.

A．must make
B．could make
C．must have made
D．was able to make
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单项选择题
The ultimate authority for Canada's fiscal policy is ______ the hands of the federal, and the provincial governments.
A．on
B．by
C．for
D．in
单项选择题
A．mustn'tB．can'tC．won'tD．shouldn't
A．mustn't
B．can't
C．won't
D．shouldn't
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