单项选择题

A man escaped from the prison last night. It is a long time（）the guards discovered what had happened.

A．before
B．until
C．since
D．when

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单项选择题

The book is（）boring; it is, in fact, rather exciting and fascinating.

A．anything but
B．nothing but
C．no more
D．all but

单项选择题

（）people often protest that（）government uses their tax dollars in（）wrong way. They say that it spends too much on useless and impractical programs.

A．The...a...the
B．×...the...×
C．The... the... the
D．×... the... the

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