单项选择题
A．By asking his friend. B．By calling the telephone operator. C．By referring to the receptionist. D．By finding it in the phone book.
A．See more samples. B．Try on some T-shirts. C．Meet the designers. D．Place an order.
A．He wanted to check the order number. B．He wanted to order some computers. C．He wanted to report on a problem. D．He wanted to see the secretary.