◎ 题干
—What are Mr and Mrs Black doing?
—They_____.
[     ]
A. eat    
B. eating    
C. to eat    
D. are eating
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“—What are Mr and Mrs Black doing?—They_____.[ ]A. eat B. eating C. to eat D. are eating…”主要考查了你对  【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。