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David is such a good boy _________ all the teachers like.

A. that    B. who    C. as       D. whom

David is such a good boy _______ all the teachers like.

    A. that                   B. who      C. as                     D. whom

   David is such a good boy _______ all the teachers like.

    A. that                   B. who      C. as                     D. whom

David is such a good boy _______ all the teachers like.

A. that　　　　　　　　　　 B. who

C. as　　　　　　　　　　　 D. whom

David is such a good boy        all the teachers like.

       A．that                    B．who                    C．as                       D．whom