题目内容

物联网与云计算有着非常密切、不可分割的关系。

A. 对
B. 错

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I _____ two hotels but they are both fully booked up.

A. have tried
B. tried
C. try
D. will try

After greeting a new guest, the receptionist’s first action should be to

A. check the guest’s reservation
B. ask the guest the length of his stay.
C. ask the guest to register
D. call the bellman

Can I help you?

A. Yes, please
B. Please.
C. Yes, you can
D. Yes, as you like.

Mr. Bellow asked the information clerk _____ he could help him send a letter to New York.

A. if
B. that
C. who
D. where

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