Combine the following pairs of sentences by using relative pronouns/adverbs.
10. This is Jack whom I stayed with during the summer
11. Helen is the girl whom I have talked to you about.
12. The music which you are listening to sounds really interesting.
13. I'm waiting for the bus which I go to work on.
14. That is the house where I lived when I was young.
15. The man whom she works for is called Eric.
16. The boy whom I go to school with is very nice.
17. Economics is a subject which I am very interested in.
18. This is Joanne whom I gave my notes to.
19. The friend whom Jim was travelling with spoke French.
20. The ladder which Tom was standing on began to slip.
21. This is the city which I was born in.
22. Paul, whom I play tennis with on weekends, is fitter than you.
23. The woman said the machine which Jim bought for her was very good.
24. The chair which you are sitting on is in bad shape