It is essential that everything ________ in advance.
It is essential that everything ________ in advance.
A、should decide
B、be decided
C、decided
D、will be decided.
【正确答案】：B
【题目解析】：本题考查虚拟语气。 It is essential that + 从句，从句用should + V原形的虚拟语气，should可以省略。句意：一切都必须事先决定。
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