I'm sorry, he is not available right now. Would you like to leave him a message?Đoạn văn21/36Write the letter A, B, C or D on your answer sheet to indicate the word OPPOSITE in meaning to the underlined word in the following question. I'm sorry, he is not available right now. Would you like to leave him a message?freebusysmarthardworkingGiải thíchB. busy