【題目】We should do ________ part to protect the environment.

A.myB.ourC.hisD.her

【答案】B

【解析】

句意:我們應該盡我們的責任保護環(huán)境。

A. my我的;B. our我們的;C. his他的;D. her她的。do one’s part to do sth.意為“盡某人職責做某事”,其中one’s要和主語保持一致,故選B。

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