Anexpert,togetherwithsomescien

An expert, together with some scientists ______to help in the work.

A．was sent

B．were sent

C．has sent

D．have sent

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The library's study room is full of students _______ for the exam.

A．busily prepared

B．busy preparing　

C．busyly prepare 　

D．are busily preparing

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The scientists were waiting to see the problem _______.

A．settle　　　

B．settled　　　

C．to settle　

D．settling

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The foreigner tried his best, but he still couldn't make his point _______ .

A．understand　

B．understanding　

C．to understand 　

D．understood

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People _______ in the city do not know the pleasure of country life.

A．live　　　

B．to live　　　

C．lived　　　

D．living

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The _______ price will save you one dollar for each dozen.　

A．reduce　

B．reducing　

C．reduced　

D．reduces

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