That is a well-behaved boy79/80Mark the letter A, B, c, or D on your answer sheet to indicate the word OPPOSITE in meaning to the underlined word(s) in each of the following That is a well-behaved boygood behaviorbehaving improperlybehaving nicebehaving cleverlyGiải thíchĐáp án là B: well- behaved : thái độ ứng xử khôn khéo >< behaving improperly: ứng xử không đúng cách