问题
选择题
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
答案：D
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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：D