The board of directors ___shaking heads at the chairman's speech. 填is 还是are?为什么？

the board of directo board of the chairman of the board这个board是什么? chairman of the board这个board是什么? the board of director是什么意思 on the board of directors The Board Of Trustees是什么意思! the board of怎么用 Chairman of the Board of Directors是什么意思? 请问Chairman of the board怎么翻译? the Board of Overseers什么意思? the Board of Governors of the Adelaide Festival of on the board of he is the representative on the board of directors the board of educationWhat's the meaning of it? 请问The president of the board这是什么? on the back of the systerm board怎么理解 The president of the board needs an efficent assistant in good faith by the Board of Directors 怎么翻译