Complete the following sentences with who, whom, which.
1. The boy .........is with him is his son.
2. The chairs....... ………...arrived are not the right ones.
3. Is this the book... .. you need?
4. The novel... . I read last night was very interesting.
5. She is the girl....... ............. I saw at the dance last night.
6. This is the Kind of problem....... .......... I like best.
7. Both journeys......... ............... we took to spain were interesting.
8. The school boys....... are in my English class are all good students.
9. The form teacher… .……I like best is Mr Allen.
10. Our teacher,....... ................... is an American, naturally speaks English perfectly.