Final answer:
The correct completion for the sentence "Todos los días después de clase," with the given verb 'estudiar' is 'estudia', which can be third person singular present indicative or formal second person singular imperative form.
Step-by-step explanation:
To answer the question, "Todos los días después de clase," with the appropriate form of the verb in parentheses as shown in the example: "Ella (estudiar) después de clase," we need to determine the correct verb form that fits the context of this sentence. The options provided are: a) Estudias b) Estudian c) Estudiaba d) Estudia. Since there is no explicit subject given, we can assume this is either a general statement or an informal command (addressing someone directly). Therefore, the correct answer is d) Estudia, which is the third person singular present indicative or the formal second person singular imperative form of the verb 'estudiar'.
The sentence completed with the appropriate verb form is: "Todos los días después de clase, estudi".