◎ 题干
The pilot asked all the passengers on board to remain____as the plane was making a landing.    
[     ]
A. seat                      
B. seating    
C. seated                      
D. to be seating
◎ 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“The pilot asked all the passengers on board to remain____as the plane was making a landing. [ ]A. seat B. seating C. seated D. to be seating…”主要考查了你对  【过去分词】  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。