The correct pronoun to use in the sentence is 'they' when referring to students coming to the drama room.
They should come to the drama room this afternoon.
When choosing a pronoun to replace a noun, it should agree in number and gender with the antecedent. In this case, the antecedent is 'students,' which is plural. Therefore, the correct pronoun to use is 'they.'
https://brainly.com/question/50988370