单项选择题

By the time you arrive this evening, ______ for two hours.

A．I will study
B．I will have been studied
C．I had studied
D．I will have been studying
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The definition leaves ______ for disagreement.
A．a small room
B．much room
C．great deal room
D．not so big a room
单项选择题
Yesterday Mr. Smith gave a vivid ______ of his recent visit to China.
A．dialogue
B．idea
C．tale
D．account
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