◎ 题干
To keep healthy we should have food ________ all kinds of vitamins.
 [      ]
A. contain  
B. contains
C. containing  
D. contained
◎ 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“To keep healthy we should have food ________ all kinds of vitamins. [ ]A. containB. containsC. containingD. contained…”主要考查了你对  【现在分词】  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。