The work was difficult, but Tom’s expression showed that he would finish it in time.
A. stubborn
B. determined
C. concerned
D. surprised
网友回答
A. stubborn
(答案→)B. determined
C. concerned
D. surprised
解析：此处stubborn 固执，呆板的；determined 有决心的； concerned 相关的；surprised吃惊的。句意：这项工作很难，但Tom坚定的表情显示他会按时完成任务的。根据句意选B。