◎ 题干

—I’d like to invite you to my birthday party this evening.
—Thanks, but ____ I’ll have time I’m not sure at the moment.
A.while B.whether C.if D.when
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—I’d like to invite you to my birthday party this evening.—Thanks, but ____ I’ll have time I’m not sure at the moment.A.whileB.whetherC.ifD.when…”主要考查了你对  【状语从句】【限制性定语从句】【主语从句】【同位语从句】  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。