.Directions: Fill in the blanks by using the information given in the blank, only ONE word

.Directions: Fill in the blanks by using the information given in the blank, only ONE word in each blank ( 5 points).
81.The warning sign was put there for the 81. benefit/ good 82. concerned 83. determined 84. research 85. old-fashioned (利益) of the public.
82. When I watch a football match, I am more 　 (关切的) with the performance of my favourite player than the result of the match.
83. We are 　 (决心，决定) not to adopt his suggestion.
84. They are doing 　 (研究) on environment protection.
85.This music is too 　 (过时的)to appeal to people any longer.

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这个解释是对的