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

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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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