This is my favourite city.

这是我最喜欢的城市。

Shanghai is my favourite city in China.

上海是我最喜欢的中国城市。

Shanghai I is my favourite city in China.

上海是我最喜欢的中国城市。

In my heart, Shanghai is also my favourite city.

在我的心里，上海也是我最喜欢的城市。

My favourite place is Kunming which is know as the Spring City.

我最喜欢的地方是大家都知道的春城昆明。

My personal favourite is Big City Small Love.

我个人最喜欢的是“大城小爱”。

Rubens Barrichello: This is my favourite race: I love the city, the people and the attitude of the fans.

这条赛道是我的最爱没有之一：我爱这座城市，这里的人和车迷的态度（癞痢头儿子自己喜欢是伐？）