提示：Henry 准备去上海开会，打电话到航空公司订票，工作人员Lillian接听了电话。( L: Lillian; H = Henry)

L：Hello! This is Air China． 51 

H：Hello．I^，d like to book a flight from Beijing to Shanghai．

L：Sure． 52 ？

H：This Saturday morning July 12．

L：OK．How many tickets

H： 53 ．

L：So , that‘s one ticket from Beijing to Shanghai．

H： 54 ？

L：Well , that will be 1 ,030 yuan．

H：OK．Can I book that now

L：Certainly．

H： 55 ？

L：You're welcome．

填写第（53）题