As the immune system weakens, it loses the ability ________ illnesses.A.fightingB.foughtC.to fightD

题目简介

As the immune system weakens, it loses the ability ________ illnesses.A.fightingB.foughtC.to fightD

题目详情

As the immune system weakens, it loses the ability ________ illnesses.
A.fightingB.fought
C.to fightD.to be fought
题型:单选题难度:中档来源:不详

答案

C
C 考查非谓语动词。句意:由于免疫系统衰退,它失去了与疾病抗争的能力。表示“……的能力”,要用不定式作后置定语来修饰the ability。

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