Choose the right sentence:

1.
What do they finds funny.
What do they find funny.
What does they find funny.

2.
Some people become very good at telling jokes.
Some people becomes very good at telling jokes.
Some people becomes does very good at telling jokes.

3.
I guess humour was different, even with people who speak the same language.
I guess humour is different, even with people who speak the same language.
I guess humour does different, even with people who speak the same language.