单项选择题
A.Never be satisfied with what you have. B.Start a business as a customer. C.It is profitable to find fault with what you have. D.To start a business is to make a fortun
A.they were too soft to bear the climber's weight B.they were the only pitons he could afford to buy C.they coul not last long D.they were made of iron
A.a discount for becoming members B.a box which fits nearly into most car C.a selection of parts which may be needed D.a chance to rent a car cheaply