题目

What will the future be like? I think the environment will be 【1】 great danger. Cities will be more 【2】(crowd) and polluted. There will be fewer trees. I think 【3】(people) everyday life will be very different in the future. People will live under the sea. Some special 【4】(machine) will provide (提供) people with oxygen (氧气). There will be no 【5】(pollute) in the sea, and people will go on 【6】(eat) fish. People will have robots in 【7】(they) homes. These robots will help them a lot. So people won't have to work long hours. People won't spend too much time doing h4. 在周三上午