1、It____ten years since he left Shanghai.

问题描述:

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

BA,(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...