Ithasbeenprovedseveralnewkinds

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It has been proved ____ several new kinds of medicine____ a positive effect on the cure of H7N9.

A．which，has	B．if, has
C．that, have	D．what, have

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We tried to find a table for seven，but they were all . 

A．given away	B．kept away
C．taken up	D．used up

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You have no idea how she finished the relay race ____ her foot so much.

A．for; wound	B．when; wounded
C．with; wounded	D．while; wound

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I’m sorry you’ve been waiting so long, but it is still some time ____ Brian gets back.

A．before

B．since

C．till

D．after

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I would rather buy a house in the countryside than ______ in the city.

A．it

B．one

C．this

D．that

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Cao Cao’s tomb is reported ______ in China, which attracts nationwide attention.

A．being found	B．to be found
C．having been found	D．to have been found

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