Becauseeverydaywehavemailtorec

Because every day we have _______mail to receive ,we may not be able to reply to your letter.

A．a great many of	B．a large number of
C．a large amount of	D．a plenty of

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It is generally believed that Watson and Crick’s discovery about DNA was ____ beginning of _____ enormous advances in _____ field of genetics.

A．the, the, the	B．/, /, the
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New York State has passed a law requiring that all legal contracts _____ in simple, understandable English.

A．be written	B．written
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A．attachments	B．adjustments
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A．contributing to	B．contribute to
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