单项选择题
A．She know that the bank was not sound. B．She feared that too many depositors drawing their money would close the bank. C．She was not able to draw out her money. D．She was tempted to draw out her money.
A．always B．possibly C．certainly D．frequently
A．represented a great improvement over barter B．permitted easy transportation of wealth C．were made of precious metals D．could become collector’s items