◎ 题干
- Do you have any plan this summer vacation, Mary?    
- Sure, I’ d like to be a volunteer and help to _________ the Central Park.   
[     ]
A. put up            
B. call up              
C. clean up            
D. cheer up
◎ 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“- Do you have any plan this summer vacation, Mary?- Sure, I’ d like to be a volunteer and help to _________ the Central Park. [ ]A. put up B. call upC. cle…”主要考查了你对  【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。