1.我认为乡村比城市好,因为乡村有不一样的风景.
I think countryside is better than city,because countryside has different scenery/view.
2.我是一个快乐的女孩,我热爱唱歌.
I am a happy girl,I like singing.
3..我不同意你的想法
I don't agree with your opinion.
或者I disagree your opinion.
4.乡村里有干净的小河,金黄的麦田,新鲜的空气
In the countryside/village,there is a clean river,golden field and fresh air.
或者,The countryside/village has a clean river,golden field and fresh air.