Mr. Smith, ______ in the factory for thirty years, is on the way back to his village.
A.to work | B.working |
C.to have worked | D.having worked |
相关知识点
推荐套卷
Mr. Smith, ______ in the factory for thirty years, is on the way back to his village.
A.to work | B.working |
C.to have worked | D.having worked |