The doorbell is ringing. Please go and see . A. who is it B. who it is C. who was it D. who it was
2022-10-26 20:42:09 121次 江苏省苏州市2018年中考英语语法专题练习18《宾语从句》 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The doorbell is ringing. Please go and see .
A. who is it B. who it is
C. who was it D. who it was
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