英语大神回答,by next May they will have been building the bright f

英语大神回答,by next May they will have been building the bright f 英语?They will have been married for 20 years by then.请问been在句 By the end of next year they will have finished the new stad They will have finished the bridge in a year's time.By next They will have been married for 20 years by then. They will have learned English for 8years by the time they f The teaching building is said to have been completed by the They will have been married for 20 years by then.这里的been 表示什 by this time next week ,i will have been working for this fi they will build the building 被动语态 They have been _____ about what may have caused the fire.(th Some people may have been daunted by the task because of the