1. If I have a chance, I will discover the Sahara desert
2. If we recycle bottles and cans, we will help the environment
3. I will have a hi - tech fridge that can cook meals
4. We visited our grandparents last week in the countryside
5. In 2030, robots will be able to do many things like humans





mn giúp em và giair thích giúp em với ạ em cảm ơn mn








