I'm ___ the plan because it is a good one.(填一个介词)
I'm  ___  the  plan  because it  is a  good  one.(填一个介词,
2.  To   took  after   the  old  man ,bob   goes  to  the  hospital   after work  every day.(变同义句)
Bob   goes  to  the hospital  after   work ___   ___　___　the  old  man  every day.
3.It  is  like  an elephant.(变同义句)
   It  __   __   an  elephant.