After a long day of hard work my onlyis to get back home and have a good sleep. A. concer

问题补充：

After a long day of hard work, my onlyis to get back home and have a good sleep.

A. concern

B. ambition

C. reward

D. burden

答案：

(答案→)A. concern

B. ambition

C. reward

D. burden

解析：考查名词辨析。句意：一整天的辛苦工作之后，我唯一关心的是回家好好睡一觉。A关心，关心的事；B野心，抱负；C奖励；D负担。故选A。