◎ 题干
—What are you thinking about?
—I'm thinking about _____ to go for a picnic.

[     ]

A. what
B. whether
C. that
D. if
◎ 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 are you thinking about? —I'm thinking about _____ to go for a picnic. [ ]A. what B. whether C. that D. if …”主要考查了你对  【从属连词】  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。