Mr Green left Shanghai two days ago =Mr Green _ _ _ _Shanghai since two days ago中间那个空是has been away from ,请问为啥,

Mr Green left China last week.Mr Green ____ ___ ___ ___ China since last week. Mr Green left London ( ) visit ( ) Beijing 填上介词, Mr Green,night,the school,at six,left,last Mr Green left China last week同义句Mr Green _____ ______ _____ ______ China since last week without 在过去时句子中的用法mr.green left without_____(say) a world. I hear Mr Green ___ for New York last week.A.have left B.leaves C.leave D.left Mr Green left Shanghai two days ago （用since two days ago改写Mr Green _ _ _ _Shanghai since two days ago 四个空。忘记说了 Mr Green left Shanghai two days ago =Mr Green _ _ _ _Shanghai since two days ago中间那个空是has been away from ,请问为啥, This is Mr Green ( ) mr green very busy Welcome( )China,Mr.Green Are you Mr Green? W____to Beijing,Mr Green. mr.green is mrs.green is （ ） This is Mr Green's room.Mr green's画线 My English teacher is Mr Green.对Mr Green提问 Mr Jim Green和Mr Green 有什么区别? I called Mr.Green yesterday(对Mr.Green提问)