The work was difficult but Tom’s expression showed that he would finish it in time.A. stu

问题补充：

The work was difficult, but Tom’s expression showed that he would finish it in time.

A. stubborn

B. determined

C. concerned

D. surprised

答案：

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。