1. A.SHE IS THE NURSE WHOM I GAVE THE FLOWERS TO.

B.SHE IS THE NURSE TO WHOM I GAVE THE FLOWERS .

C.SHE IS THE NURSE I GAVE THE FLOWERS TO .

2.A.THAT'S THE CHAIR WHICH I SAT ON.

 B.THAT'S THE CHAIR ON WHICH I SAT .

C.THAT'S THE CHAIR I SAT ON.

3.A. HE'S THE BOY WHOM I BOUGHT THIS TOY FOR.

B.HE'S THE BOY FOR WHOM I BOUGHT THIS TOY .

C.HE'S THE BOY I BOUGHT THIS TOY FOR.

4.A.THAT'S THE BUILDING WHICH I PASSED BY

B. THAT'S THE BUILDING BY WHICH I PASSED

C.THAT'S THE BUILDING I PASSED BY

5.THEY'RE THE SHOPS WHICH T GOT THESE FOR

THEY'RE THE SHOPS FOR WHICH T GOT THESE

THEY'RE THE SHOPS T GOT THESE FOR

1. she is a nurse whom i gave the flower to 

she is a nurse to whom i gave the flower

she is a nurse i gave flower to 

2.that is a chair that i sat

 the chair that i sat 

that is the chair i sat on

3.he is a boy who i bought the toyy 

B.he is the boy i bought the toy for

4.that is the building which i passed 

that is the building by i passed.

that is the building passed by i

5.they are the shops which i got these for

they are the shops for which i got these