【题目】The work was difficult，but Tom’sexpression showed that he would finish it in time.
A.stubborn
B.determined
C.concerned
D.surprised

【答案】B
【解析】A．stubborn固执的；B．determined有决心的，坚定的；C．concerned担心的，忧虑的； D．surprised吃惊的；句意：那项工作难做，但Tom坚定的表情表明他会及时完成。根据句意，故选B。