Who put so many large stones on the road?改从句

Who put so many large stones on the road?改从句 (Who) put so many large stones on the road?改从句 who put so many large stones on the road 改强调句,强调who who puts so many large stones on the road改为强调句,强调who The road isn't () because there are many small stones on it This is because the large stones have been put in position s This is because the large stones have been put ___ position 改一般疑问句,there were many tress on both sodes of the road many There_____(be)not so many cars on the road in the past.为什么填w What caused the accident was/were the stones on the road. there were so many beautiful f____ on both sides of the road the there people on many road are