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Teachers have to constantly update their knowledge in order to maintain their professional ____.

A. consequence      B. independence   C. competence      D. intelligence

Teachers have to constantly update their knowledge in order to maintain their professional _____.

A. consequence     B. independence     C. competence     D. intelligence

Teachers have to constantly update their knowledge in order to maintain their professional _______.

A. consequence　 B. independence　　 C. competence　 D. intelligence

Teachers have to constantly update their knowledge in order to maintain their professional ________.

A. consequence B. independence C. competence D. intelligence

 Teachers have to constantly update their knowledge in order to maintain their professional _____.

     A. consequence     B. independence     C. competence     D. intelligence