正确答案为：
1.It is a wonderful world （under） the water.水底下是一个非常精彩的世界.
2.They are indifferent characters ,and they are very modern.他们中等身材,而且他们非常现代.
3.They always give us food to eat and oil to burn.他们总是给我们食物吃,也给我们油做燃料.
正确答案为：
1.It is a wonderful world （under） the water.水底下是一个非常精彩的世界.
2.They are indifferent characters ,and they are very modern.他们中等身材,而且他们非常现代.
3.They always give us food to eat and oil to burn.他们总是给我们食物吃,也给我们油做燃料.