单项选择题
For your information, the insurance company has over 2000 （） and agents around the world.
A．principals B．surveyors C．salespersons D．suppliers
单项选择题 As invoiced, the wooden case （） 100 dozen T-shirts.
单项选择题 We （） you that regular orders will follow if this order is executed to our entire satisfaction.
单项选择题 Problems of long （） should be settled with great care.
