My parents prefer to live in the country.The streets there are cleaner.The air is fresher and the people are nicer and friendlier.Besides,it is busier and noisier in the city.

• 如果您可以在10秒钟之内把下列每一个句子翻译成英文的话，那么可以说您已经基本掌握了本课的语法重点及实用句型。