【题目】It is necessary that a child’s first eye exam _____ at the age of six months old.
A.wasB.wereC.beD.is
在线课程【答案】C
【解析】
考查虚拟语气在主语从句中的运用。句意：孩子的第一次眼睛检查必须在六个月大的时候进行。固定句型：It is necessary that 主语+（should）+动词原形+其他。该句型中谓语动词用should加动词原形，且should可以省略。故选C。
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It is necessary that a child’s first eye exam at the age of six months old.A.wasB.wereC.beD.is
编辑：chaxungu时间：2026-04-27 03:18:25分类：高中英语题库
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