By the end of last year,a new subway line to Beijing West Station____.A.would be completed B.was being completed C.has been completed D.had been completed
问题描述:
By the end of last year,a new subway line to Beijing West Station____.
A.would be completed B.was being completed C.has been completed D.had been completed
答
A.would be completed ,虚拟语气,被动语态.