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It is extremely urgent that they ______ from the mountain before dark.A、must be
It is extremely urgent that they ______ from the mountain before dark.A、must be
游客
2025-03-17
23
管理
问题
It is extremely urgent that they ______ from the mountain before dark.
选项
A、must be rescued
B、should rescue
C、can be rescued
D、be rescued
答案
D
解析
在句型“It is urgent/necessary/important+从句”中，从句中要用虚拟语气，其构成是：should do，可以将 should省略。
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