适当的代词填空

适当的代词填空
1.That is my schooibag.Give( )to( )please.
2.A:Oh,dear!I can not find( )bike.
B:Do not worry.I think I can help( ).Is that( )over there yours?
3.A:Dad,we can not carry this bag.It is too heavy could you come and help(
B:Wait a minute.I can help( )carry it.
4.They are your new teachers.Please go and say"hello"to( ).
5.Bob is an English boy.( )father is Mr Brown.