单项选择题

My principal concern is to get the job done fast.（）

A．main
B．serious
C．deep
D．particular

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单项选择题

The AIDS convention will be held in Glasgow.（）

A．party
B．conference
C．celebration
D．union

单项选择题

Several windows had been smashed.（）

A．cleaned
B．replaced
C．broken
D．fixed

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