题目内容：

To achieve your goal,_________ yourself and your direction _________ the most important thing.
A.knowing; is B.to know; were C.know; was D.and know; are

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答案A 这题考查动名词做主语的用法,动名词做主语时,谓语动词用单数,选A.句意是：为了达到目标,了解自己和方向是最重要的事.选A.查看原帖>>