【题目】He ______ for six years by the time he takes his examination. ( )
A.shall have finished to workB.shall finish to work
C.shall have finished workingD.shall finish working
【答案】D
【解析】
句意：到他参加考试的时候，他将完成六年的工作。到他参加考试的时候，可见这个时间还没到，应该用一般将来时。结束工作finish working，故选D。
