◎ 题干

30. Only those who have experienced hardship ____ well aware of what happiness means. 
A.can they beB.they can beC.can beD.they can
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“30. Only those who have experienced hardship ____ well aware of what happiness means.A.can they beB.they can beC.can beD.they can…”主要考查了你对  【虚拟语气】【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。