John thinks it won’t 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：考查固定句型：句意：John 认为他过不了多久就可以为他的新工作做好准备。使用了句型：it won't be long before .... 要不了多久…..，since可以用于：It is/has been +时间段+since…….，自从….有多久了，主句常用完成时态。选C。