câu1. If we keep the environement clean, we won't suffer from pollution
câu2. I haven't visit my native village since I was ten
câu3. Self - driving cars drive more carefully than human
câu4. There are only some people who still want to stay in the village
câu5. Los Angeles has over 3 million people
câu6. Flying cars will be used to travel across the globe some day
câu7Developed countries have less population problems than developing countries
câu 8 trong giấy không có chữ để viết lại :(
câu9. Veronica is a good friends of mine
cho 5sao nha!:)
