◎ 题干
Why not ______ your teacher for help when you can’t    finish ______ it by yourself?
A.ask; writeB.to ask; writing
C.ask; writingD.asking; write
◎ 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“Why not ______ your teacher for help when you can’t finish ______ it by yourself?A.ask; writeB.to ask; writingC.ask; writingD.asking; write…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。