Какой артикаль надо поставить They dont want to be doctors

They don't want to be doctors. - Они не хотят быть врачами.

We use neither definite nor indefinite article here.

There are two articles in English. They are definite and indefinite articles. The definite article is the. We use definite article with a noun that is already known.

Indefinite article is a / an. The meaning of indefinite article is one. We use a before consonants and we use an before vowels.

A pen, an eye.