Have you any idea we can do to help those are in great need?A. how; whoB. what; /C. whethe

问题补充：

Have you any idea we can do to help those are in great need?

A. how; who

B. what; /

C. whether; that

D. what; who

答案：

A. how; who

B. what; /

C. whether; that

(答案→)D. what; who

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