58．Early western merchants came to china in e___________ for silk and spices．

57．People should be p____________ seriously for dangerous driving．

56．We b_____________ with her about the price, but we couldn’t bring it down．

15．- Michael was late for Mr．Smith’s oral class this evening．

　 　　 - _________? As far as I know, he never came late to class．

　　　 A．How come　　　　　 B．So what　　　　　　　 C．Why not　　　　　　　 D．What for