To fill in the blanks with the correct subject pronouns, let's analyze the two sentences:
1. "______ toma el café."
2. "______ preparo la pizza."
For the first sentence, "Señora Machado, ______ toma el café.," the correct subject pronoun would be addressing Señora Machado directly in a formal manner. The pronoun that fits here is "usted."
For the second sentence, "______ preparo la pizza.," the speaker is talking about themselves. The appropriate subject pronoun for the speaker would be "yo."
So the correctly matched pairs are:
1. "Señora Machado, usted toma el café."
2. "Yo preparo la pizza."