The new discovery _______ be of great service to mankind.-查字典考试网

The new discovery _______ be of great service to mankind.

A、isboundto
B、isboundfor
C、beboundto
D、beboundfor

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正确答案：

答案解析：

beboundto：注定要，一定会。本题中主语是Thenewdiscovery，所以谓语动词要用is。句意：这项新发现对于人类必定大有用处。

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