John was dismissed last week because of his attitude towards his job.
A. informal
B. casual
C. determined
D. earnest
网友回答
A. informal
(答案→)B. casual
C. determined
D. earnest
解析：形容词词义辨析。根据句意：“约翰上周被解雇是因为他对工作满不在乎的态度”，只有B项符合题意。informal非正式的；determined坚定的；earnest认真的。