posted by John .
1. There are a lot of clubs in my school, like a sports club and an art club.
2. There are a lot of clubs in my school, like the sports club and the art club.
(Do we have to use 'a' or 'the' in each sentence?)
Either one works just fine, depending on your meaning.
Using "a/an" means that you are referring to those clubs in general; they may or may not exist.
Using "the" means that you are referring to particular clubs that are already in existence.
Here is an interesting commentary. As for myself, I would have chosen such as. But both are correct.