1、It____ten years since he left Shanghai.

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1、It____ten years since he left Shanghai.
A.were B.is C.had been D.will be
2、She____sick for two days before Thursday.
A.had been B.was C.has been D.is being
3、As a boy,James Watt,who invented the steam engine later,____
questions.
A.always asks B.has always asked
C.was always asking D.had always asked

B
A,(选C绝对的错)
C
告诉你原因吧,不要弄错了.
第一个,可以用排除法
A不对了,since 加过去的时间是现在完成时的标志.
C也不对,因为没有语境可以看出来是过去的过去
D错的太远了,不用考虑了吧
第二个,为什么不选C呢?
因为星期四之前,说明了是比星期四更早的时间里她病了几天,是过去的过去,用过去完成时
第三个,A和B都是现在的时态,肯定不对,D是过去完成时,没有一个什么标志,说明是过去的过去,所以不选D,选C.
be always doing sth 带有语气的强调,说明他总是怎么样.

1、It____ten years since he left Shanghai. It __ten years since he left Shanghai. It___ten years since he left Shanghai.A.was B.is C.had been He said to me,"It is two years since I left shanghai."直接引语转化 dong英语的进来1\It ___ten years since he ____here.A.is;left B.was he has left since three years ago可以用吗 It _（be) two years since he left school. It -------- five years since he left his motherland. Eight years (has|have) pass since he left It______five years since he has left for Beijing. It _____ ten years since he left the army. It _____ ten years since he left the army .