◎ 题干
—What time will Mr. Green be back to China?
—Sorry. I don’t know ________.
A.when did he go broadB.why he is going abroad
C.how soon will he be backD.how long he will stay abroad
◎ 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 time will Mr. Green be back to China?—Sorry. I don’t know ________.A.when did he go broadB.why he is going abroadC.how soon will he be backD.how long …”主要考查了你对  【宾语从句】  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。