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
it作人称代词,用来指代身份和性别等不明确的人。
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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
it作人称代词,用来指代身份和性别等不明确的人。