Many a student (grasp) ______ the usage of the word since the teacher explained

游客2023-10-07  25

问题 Many a student (grasp) ______ the usage of the word since the teacher explained it.

选项

答案 has grasped

解析 many a表示“不止一个,许多”,但是其后的谓语动词必须用单数。而"since"表示“自从……”引导的时间状语,通常从句用一般过去时,主句要用现在完成时。
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