问题 选择题

He commanded the students ______ the classroom before he returned.

A.did not leave

B.leave not

C.not to leave

D.not leaving

答案

答案:C

题目分析:考查虚拟语气。句意:他要求学生们在他回来之前不能离开教室 。动词command如果作“要求”解时,后加动词的虚拟语气形式,即should+动词原形。Should可以被省略。故选C。

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