Scientistshavetoworkhardtokeep

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Scientists have to work hard to keep _____ with modern discoveries and developments.

A．company

B．track

C．touch

D．pace

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----Have you got your test result?
----Not yet. The papers _____.

A．are still being corrected	B．are not correcting
C．have already been corrected	D．have not corrected

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Today, ____ rapid transportation and communication, the whole world seems to be smaller．

A．regardless of

B．in spite of

C．because of

D．instead of

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----I failed again. I wish I _________ harder.
---But you _________.

A．had worked; hadn’t

B．worked; didn’t

C．worked; don’t　

D．had worked; didn’t

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To get an education, _________.

A．working hard is very important	B．working hard is needed
C．one must work hard	D．it is needed to work hard

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My sister met him at the street yesterday afternoon, so he __________ your lecture.

A．shouldn’t have attended	B．couldn’t have attended
C．mustn’t have attended	D．needn’t have attended

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