单项选择题
Problems of long （） should be settled with great care.
A．time B．period C．standing D．term
单项选择题 We are sorry that the goods you （） are out of stock at the moment.
单项选择题 We would like you to quote us （） 50 metric tons of peanuts.
单项选择题 From the Chamber of Commerce in your city, we （） about your various models of sewing machines.
