◎ 题干
Someone is ringing the doorbell.Go and see________.
 [      ]
A. who is he  
B. who he is
C. who is it  
D. who it is
◎ 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“Someone is ringing the doorbell.Go and see________.[ ]A. who is heB. who he isC. who is itD. who it is…”主要考查了你对  【宾语从句】  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。