◎ 题干
--- What is he doing for vacation?-- He's _______________.
[     ]
A. going camp  
B. go camp      
C. go camping  
D. going camping
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“--- What is he doing for vacation?-- He's _______________.[ ]A. going camp B. go camp C. go camping D. going camping…”主要考查了你对  【动词短语】【现在进行时】  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。