Tú eres (less) simpático que Federico. Question 2 with 1 blankLa camarera sirve (as much) carne como pescado. Question 3 with 1
blankRecibo (more) propinas que tú. Question 4 with 1 blankNo estudio (as much as) tú. Question 5 with 1 blank¿Sabes jugar al tenis tan bien (as) tu hermana? Question 6 with 1 blank¿Puedes beber (as many) refrescos como yo? Question 7 with 1 blankMis amigos parecen (as) simpáticos como ustedes. Question 8 with 1 blankYo soy (less) delgado que mi hermano.
though there isnt any bolded words in you question i assume you mean “mi amigo juan y yo” in english thats my friend juan and I, which could be replaced by we. We in spanish is nosotros.