The opening ceremony is a great occasion. It is essential____for that.(2003)A、fo

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问题 The opening ceremony is a great occasion. It is essential____for that.(2003)

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 2003年第47题。固定句型It is+adj．+for sb．+to do sth．的应用；B选项中有干扰，如果使用It is essential that…结构，则主语从句中应该使用虚拟式should do，故被排除。

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