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    We such great advance without your efforts. Thanks a lot. A. can’t have made B. couldn’t have made C. were unable to make D. are unable to make 【查看更多】

     

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    We        such great advance without your efforts. Thanks a lot.

    A．can’t have made                                   B．couldn’t have made

    C．were unable to make                          D．are unable to make

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    We        such great advance without your efforts. Thanks a lot.

    A．can’t have made                          B．couldn’t have made

    C．were unable to make                    D．are unable to make

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