单项选择题

What is the woman’s reply

A．She knows Professor Arnold has come.
B．She thinks Professor Arnold has checked in.
C．She is sure that Professor Arnold has arrived.
D．She doesn’ t know whether Professor Arnold has arrived.
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单项选择题
Where does this conversation most probably take place
A．In a library.
B．In a hospital.
C．At a bank.
D．In a store.
单项选择题
What kind of weather is normal for March
A．Cold.
B．Very hot.
C．Cooler than that day.
D．Drier than that day.
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