单项选择题

A. Waiter and customer. B. Guide and tourist. C. Salesman and customer. D. Host and guest.
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单项选择题
It is urgent that a new president ______ for the university.
A．is elected
B．elected
C．will be elected
D．be elected
单项选择题
She gazed at me with a sudden fear and ______.
A. mistrust B. trust C. trustful D. untrustworthy
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