It is important that the environment (protect) ______.(should)be protected在“It i

游客2024-07-22  13

问题 It is important that the environment (protect) ______.

选项

答案 (should)be protected

解析 在“It is/was important that...”这样的句型中,important后面的主语从句要使用“(should)=+动词原形”形式的虚拟语气,should常常可以省略。类似的形容词还有necessary,essential,critical等。
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