13. Ours is a beautiful school, ________ which we are proud.

12. Do you know the building ________ which is flying a red flag?

11. His bike ________ which he went to work was stolen last night.

10. The age _______ which children can go to school is seven.

9. I was surprised at the way ________ which he treated the old man.

8. In the dark street, there wasn’t a person ________ whom she could turn for help.

7. My glasses, _______ which I was like a blind man, fell to the ground and broke.

6. There is a tall tree outside, ________ which stands our teacher.

5. She has three children, all _______ whom are at school.

4. The wolf ________ which the sheep was killed was shot.