◎ 题干
--- What made Bill so angry?
--- _____. His girl friend promised to come at 8:30, but she hasn’t come yet.
A.Having kept waitingB.Being kept waiting
C.To be kept waitingD.Being kept waited
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“--- What made Bill so angry?--- _____. His girl friend promised to come at 8:30, but she hasn’t come yet.A.Having kept waitingB.Being kept waitingC.To be kep…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。