VIII. Sắp xếp để tạo câu hoàn chỉnh 1. I like Math because it is interesting. 2. How many hours does he often work per week? 3. She doesn't think we will use a personal vehicle like a flying car. 4. Humans will invent new means of transport in the future. IX. Hoàn thành các câu sau bằng từ gợi ý 1. Every country should do something to control population. 2. Nowadays, we are using many types of renewable energy sources. 3. I don't like the film because it is too violent. 4. I think biogas is abundant and cheap for cooking and heating.