Rewrite the sentences by using relative clauses, adding commas if necessary

Rewrite the sentences by using relative clauses, adding commas if necessary.
1. I received lots of flowers when I was ill, but only my boyfriend sent me roses. I put roses in my favourite vase.
The roses ______________________________________ look beautiful in my favourite vase.
2. I have one colleague. He works extremely hard. He has few friends.
My colleague __________________________________________________________________________
3. I have several aunts. One works in New York. She’s getting married.
My aunt _______________________________________________________________________________
4. Peter made some sandwiches. They have all been eaten. You made some too. Your sandwiches have not been eaten.
The sandwiches __________________ have all been eaten. The sandwiches ___________________ haven’t been eaten.
5. There was only one park in this town. Someone has built over (xây bít đi) it. We used to play in the park when we
were children. => The local park _____________________________ has been built over.
6. One of my French teachers helps me with my homework. His house is near mine.
The French teacher _____________________________________ with my homework.
7. You met one of my cousins last summer, the one from America. He’s coming to stay again.
My American cousin _____________________________________ stay again.
8. There are a lot of candidates in the presidential election. Three of them were women. The winner was one of them.
She had campaigned for better housing conditions.
The woman ___________________________________________________ has been elected President.
9. I took two cameras away with me. You lent me one of them. That’s the one that got broken.
The camera _____________________________________ broken.