单项选择题

In some eases, your instructor may tell you the topics ______ or may give you a choice of top. les to write about.

A．in advance
B．ahead of
C．above all
D．right away
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单项选择题
She stumbled and ______ the coffee.
A．spoiled
B．spilled
C．poured
D．splashed
单项选择题
Operations which left patients ______ and in need of long periods of discovery time now leave them feeling relaxed and comfortable.
A．exhausted
B．unhealthy
C．upset
D．fearful
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