Reduce these relative clauses below ----- Nội dung ảnh ----- 1. I saw many houses that were destroyed by the storm. 2. The street which leads to the school is very wide. 3. The system which is used here is very successful. 4. John, who teaches my son, is my neighbor. 5. The road that joins the two villages is very narrow. 6. Boys who attend this school have to wear uniforms. 7. This is the place. The accident occurred there.
