it的用法He felt_____duty to work for human rights and progress. A.it hisB.his C.that is a D. that is his为什么选a不选d

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it的用法Hefelt_____dutytoworkforhumanrightsandprogress.A.ithisB.hisC.thatisaD.thatishis为什么选a不选dit的用法Hef

it的用法He felt_____duty to work for human rights and progress. A.it hisB.his C.that is a D. that is his为什么选a不选d
it的用法
He felt_____duty to work for human rights and progress.
A.it his
B.his
C.that is a
D. that is his
为什么选a不选d

it的用法He felt_____duty to work for human rights and progress. A.it hisB.his C.that is a D. that is his为什么选a不选d
it 可作形式宾语,真正的宾语是后面的不定式.that 无此语法功能.

D的时态不统一,主句是一般过去时,用的felt,其后的从句怎能用is,这是一般现在时。A答案it是形式宾语,真正的宾语是to work for human rights and progress

这句话的句式是I feel it+adj.(或句子),it后的句子是来修饰it的,所以选A。
D选项I fell that 后加的是完整的句子,不需要加is。