单项选择题

The higher the standard of living and the greater the national wealth, ______.

A．the greater amount of paper is used
B．the greater is the amount of paper is used
C．the greater the amount of paper used
D．the amount of paper is used greater

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单项选择题

I think we need to see an investment ______ before we make an expensive mistake.

A．guide
B．entrepreneur
C．consultant
D．assessor

单项选择题

______ no further business, the Chairman closed the meeting.

A．There is
B．There was
C．Being
D．There being