◎ 题干
We must do something to stop people from     .
[     ]
A. to throw litter about    
B. to throw litter into    
C. throwing litter about    
D. throwing litter into
◎ 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“We must do something to stop people from .[ ]A. to throw litter aboutB. to throw litter intoC. throwing litter aboutD. throwing litter into…”主要考查了你对  【动名词】【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。