9. He is the teacher -with- -whose- son we often like to argue. 10. He is the teacher -in- -whose- class my son study.
11. There are about 15 teachers in our grade, -6 \\ some- of -whom- are women teachers.
12. There are about 15 teachers in our grade, -the- -teaching- of-whom--- we get to accept.
,-- whose teaching—
提示：the teaching of them \\ their teaching
eg: This is the book whose cover I like. \\ the cover of which I like. 13. She is the girl -whose- -parents- are both teachers in our school.
14. She is the girl -the- -parents- of -whom- are both
teachers in our school. 15. She is one of the students -who- -know- my secret.
16. She is the only one of the students -who- -knows- my secret. 17. Lingling is my best friend, -with- the help of -whom- I have made
some progress in my study.
18. The boys ,-the- -tallest- of -whom- could not reach the shelf, went to look for sth to stand on. 19. He has three uncles , -none- of -whom- is a doctor. 常见错句：
1. Anyone^likes it
can borrow it from me. who 2. The man you saw him just now is my math teacher.
3. He is a person who
often help me. helps 4. He is the person whose the family is very rich.
5. He is the person , ^name of who I don’t know. The name of whom