根据n多题专家分析，试题“He doesn't know_________ the work by himself.A．whether can he finishB．whether he could finishC．whether can how finishD．whether he can finish…”主要考查了你对 【therebe句型】 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。
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