Learn some important sentences.

1.A hobby is not only fun but also useful.
2.There are many different types of hobbies.
3.A lot of people enjoy gardening, travelling,skiing and other such activities.
4.People usually take up their first hobby whenthey are kids, but hobbies are fun for allages.
5.IT's never too late to learn something new.

Language points:
1. not only...but also“不但...而且….",用来连接两个并列成分。
当连接两个并列主语时，谓语动词要和but also后面的主语保持一致(就近原则)
2.take up“开始做某事”，开始某事·还可以意为“占据”
3.too...to..“太.……而不能.….."