Was Bill played football well helped the blind man cross the street?A. it; that; whoB. whi

问题补充：

Was Bill played football well helped the blind man cross the street?

A. it; that; who

B. which; that; that

C. it; who; that

D. who; which; that

答案：

A. it; that; who

B. which; that; that

(答案→)C. it; who; that

D. who; which; that

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