2. 外语
  3. The opening ceremony is a great occasion; it is essential ______ for that.[2003]

The opening ceremony is a great occasion; it is essential ______ for that.[2003]

admin2015-04-26  25
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 在It is essential／important等结构中，我们可以用不定式结构或从句；但如果使用从句，就必须用虚拟语气，所以答案中只有A符合要求。B项的谓语动词如改用be或should be则正确。
转载请注明原文地址:https://jikaoti.com/ti/l9SMFFFM
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)