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Another drug that has helped improve people’s health is penicillin, is by many o

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Another drug that has helped improve people’s health is penicillin, is by many o

Another drug that has helped improve people’s healthis penicillin, _________ is _________ by many _________ one of the most importantmedicines.

A．which,considered, being                 B．that,considering, been

C．that, toconsider, being                   D．which,considered, to be

 

试题答案

【答案】

D

【解析】

试题

标签：ishealthpeoplemanyby

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