单项选择题

The agreement is considered （） satisfactory.

A. being
B. to be
C. /
D. be

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ISIC means（）Standard Industrial Classification．

A．Internate
B．Insurrection
C．International
D．Internal

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Textile business has become more and more difficult（）the competition grew.

A．as
B．befor
C．since
D．after

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