◎ 题干
Jane Goodall with her assistants _____ for the forests to learn more about the chimps.

A. are setting off
B. is setting off
C. have set off
D. sets off
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Jane Goodall with her assistants _____ for the forests to learn more about the chimps. [ ]A. are setting off B. is setting off C. have set off D. sets off …”主要考查了你对  【现在进行时】【主谓一致】  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。