单项选择题

I think their plan will work, but they themselves are very suspicious about it.

A. certain
B. worried
C. confident
D. doubtful
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单项选择题
The international finance policies always affect the flow of money among countries.
A. appraisal
B. numeration
C. availability
D. circulation
单项选择题
What surprised me was the great amount of work still done by hand.
A. mentally
B. practically
C. manually
D. generally
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