人类历史上,货币形态的变化大致上可以分为________、________、________、________ 和________ 几个阶段。
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2.金属货币制度的演进过程:银本位制、_____________、____________、____________、__________、__________、__________ 。
There are many students living at school,the________(child) houses are all far from school.
A talk________(give) tomorrow is written by Professor Zhang.
But Jane knew from past experience that her ________(choose) of ties hardly ever pleased her father.