1. The man who is talking to the principal is our form teacher. 2. The boys who are sitting in the first row will receive the medals. 3. The students who are in the grade 10 are going to clean the schoo 4. The animals which are kept in iron cages will be carried back to the forest. 5. Mr. Tan who is our gymnast is very thin and tall. 6. The book which we borrowed from the library must be returned by Monday. 7. The little boy who is crying over there lost his way. 8. Mrs. Van who lives next door to Hoa works at the television station. 9. The dog which has some black spots is Ba's. 10. My mother bought the shoes which were made from Hong Kong.