【简答题】A.It started at a time when the workers were slower in work. B.it started during the Second World War. C.It started before the factories had their own orchestras. D.It started in the early part of 19t...
【简答题】A.It started at a time when the workers were slower in work. B.It started during the Second World War. C.It started before the factories had their own orchestras. D.It started in the early part of 19t...