题目内容
Mr Brown is a(n) ________ secretary in our office, for he is able to do tasks successfully, without wasting time and energy.
A. effective B. flexible C. efficient D. sufficient
C
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题目内容
Mr Brown is a(n) ________ secretary in our office, for he is able to do tasks successfully, without wasting time and energy.
A. effective B. flexible C. efficient D. sufficient
C