Answer:
Tomás y Teresa SE CONOCEN en un autobús: todos los días SE MIRAN desde lejos y, finalmente, un día que están cerca, SE DICEN "Hola". Desde entonces son inseparables, SE LLAMAN y SE MANDAN mensajes,
Explanation:
Reciprocal verbs in spanish are a type of pronominal verb used to talk about actions that people do to each other. In this case since we are talking of them (Tomás and Teresa), the conjugation is third person. That's why we use the pronoun "se" before the verb.
The complete list of pronouns is:
First person: "NOS"
Second person : "OS"
Third person: "SE"
Good luck!