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It is really _____ useful dictionary, _______ dictionary every one of us needs.

    A./ an ; a       B. a ; the    C. the ; a       D. a ; a

It is really _____ useful dictionary, ______ dictionary every one of us needs．

A. an, a         B. a, the        C. the, a           D. a, a

It is really ___ useful dictionary, ___ dictionary every one of us needs．

    A．a(chǎn)n, a                B．a(chǎn),the        C．the, a      D．a(chǎn), a

It is really ___ useful dictionary, ___ dictionary every one of us needs．

    A．a(chǎn)n, a                B．a(chǎn),the        C．the, a      D．a(chǎn), a

It is really ___ useful dictionary, ___ dictionary every one of us needs．

       A．a(chǎn)n, a              B．a(chǎn), the                  C．the, a          D．a(chǎn), a