单项选择+解析----new boooks have been given away since then.A.Many

_new books have been given away since then A many of B a gre 英语翻译since then jeans have been though many different changes many books____（send）to school since then为什么不写have been sent, 英语翻译There have been many other times since then that Twitter 英语翻译Since the 1970s many new applications have been found fo I have lived here since then还是I have been here since then对啊? A：How long have you been away from your home town?B：Since th Many a day _____ (have /has ) passed since she wet away. Many a boy and many a girl___it since then 求翻译I have been going regularly ever since then. 英Since that time,a great many effective methods have been de 单项选择( )11.A:You have never been to the West Lake,________ yo