After 15 years in the USA, he has finally decided to American citizen-ship.
A. care for
B. apply for
C. wait for
D. prepare for
网友回答
A. care for
(答案→)B. apply for
C. wait for
D. prepare for
解析：A. care for喜爱，照顾，想要，B. apply for 申请，C. wait for等待，D. prepare for准备，句意：在美国15年后，他最后决定申请美国居民。选B。