---How soon can you finish the large picture?---It will be two months _______．A.after I finish itB.before I will finish itC.before it is finishedD.since it has been finished
网友回答
C解析It will be a long time before…“要过很久才会”；It will not be long before…“不久就会……”。从句中用现在完成时代替将来时，故选C项。