John thinks it would be long he is ready for his new job.
A. when
B. after
C. before
D. since
网友回答
A. when
B. after
(答案→)C. before
D. since
解析：考查固定句式。固定句式：It be 一段时间 before从句；句意：一段时间以后某事才发生；如果before后面使用现在时，前面就使用将来时；如果before后面是过去时，前面主句也是过去时。句意：John认为很久以后他才会适合这份工作。故C正确。