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I think our duty those people in trouble.A.it; to helpB.it; helpingC.this; to he

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I think our duty those people in trouble.A.it; to helpB.it; helpingC.this; to he

I think ________ our duty ________ those people in trouble.

A.it; to help

B.it; helping

C.this; to help

D.that; helping

试题答案

A