It is important that she ______ a record of everything she does in the experimen

游客2023-10-11  26

问题 It is important that she ______ a record of everything she does in the experiment.

选项 A、keep
B、must keep
C、keeps
D、will keep

答案 A

解析 本句为虚拟语气在主语从句中的典型用法。在It is necessary/important/strange/natural (这类形容词还有advisable,appropriate,desirable,essential等),及It is required/suggested/desired/proposed,it is a pity等结构中,that从句要用虚拟语气,即“should+动词原形”,should通常可以省略。例如:It is vital that we(should)be present,我们出席是至关重要的。
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