The opening ceremony is a great occasion. It is essential______for that.（2003年考试真题）

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问题 The opening ceremony is a great occasion. It is essential______for that.（2003年考试真题）

选项 A、for us to be prepared
B、that we are prepared
C、of us to be prepared
D、our being prepared

答案A

解析本题考点为不定式逻辑主语for sb．to do sth．结构，同时也考查了不定式的被动形式。It is essential that从句里必须用“should+动词原形”的虚拟语气，故排除B项。

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专业英语四级

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