-- Good morning, Grand Hotel. -- Hello, I'd like to book a room for the nights of the 18th and 19th. --______.
A.What can I do for you?
B.Just a minute, please.
C.What's the matter?
D.At your service.
第8题
A.异步B.同步C.主从D.面向链接A.get-requestB.get-ersponesC.trapD.et-request
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