同义句转换:1.Hewasateacherinthepast,butnowheisn't.He___________ateacher.
2.Itseemedthatshehaschangedalot.
Sheseemedto______alot.
3.He'sbeensingingforfiveyears.
Hebegantosing___________
4.Unlesswedealwithourproblem,wecaneasilybecomeunhappy.
___we___dealwithourproblem,wecaneasilybecomeunhappy.
5.ItseemsthatYuMeihaschangedalot.
YuMeiseemsquite______thepast.