1、I have ( )come back from beijing.It's really a beiutiful c
1、I have ( )come back from beijing.It's really a beiutiful city2、---have you seen the film ( ---yes,Ihave.3,Idon't know the man.Ihave ( )met him before?4、---have you ( )traveled to beijing?---yes,I have been there twice5、jim ,have you cleaned your room?------yes,I have ( )done it