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Somebody rang my doorbell just now, but I didn't know . A. who were they B. who they were C. who was it D. who it was 【查看更多】

 

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Somebody rang my doorbell just now, but I didn't know _____.

[     ]

A. who were they
B. who they were
C. who it was

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Somebody rang my doorbell just now,but I didn’t know ________．


  1. A.
    who were they
  2. B.
    who they were
  3. C.
    who was it
  4. D.
    who it was

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Somebody rang my doorbell just now,but I didn’t know ________．

[　　]
A．

who were they

B．

who they were

C．

who was it

D．

who it was

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