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He a number of books about the subject in the library before he gave his speech. A. referred B.looked into sulted D.looked up 【查看更多】

 

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 He _______ a number of books about the subject in the library before he gave his speech.

A. referred                                                              B. looked into

C. consulted                                                    D. looked up

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He ________ a number of books about the subject in the library before he gave his speech．


  1. A.
    referred
  2. B.
    looked into
  3. C.
    consulted
  4. D.
    looked up

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He ______a number of books about the subject in the library before he gave his speech.

　 A. referred　　　　　 B.looked into　　 C.consulted　　　　 D.looked up

 

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He ________ a number of books about the subject in the library before he gave his speech．

[　　]

A．referred

B．looked into

C．consulted

D．looked up

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