◎ 题干
The radio is too noisy.Ask him ______,please.
[     ]
A. turn it on      
B. turn it down      
C. to turn it on    
D. to turn it down
◎ 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“The radio is too noisy.Ask him ______,please.[ ]A. turn it on B. turn it downC. to turn it onD. to turn it down…”主要考查了你对  【不定式】【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。