Answer:
The correct word to complete the sentence is:
-Tengo.
Lo siento, mañana tengo clases de yoga.
Explanation:
The word to look for is have (tener)
The key here is conjugate the verb with the right sustantive (singular)
The sustantive is Yo (me/I).
The options are:
Tengo. have for me/I (CORRECT)
Tienes. have for you (informal)
Tienen. have for they
Tiene. have for she/he
