◎ 题干
I often doubt ______.

[     ]

A. that this song is worth listening to
B. if this song is worth listening
C. that this song is worth listening
D. if this song is worth listening to
◎ 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 often doubt ______. [ ]A. that this song is worth listening to B. if this song is worth listening C. that this song is worth listening D. if this song is …”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。