What is the correct conditional form of saber?

Part 1: what would be the correct conjugation for the underlined verb according to who is doing the action? ángel y veronica estudiar para la clase de español. estuido estuidas estuida estuidamos estudian part 2: what would be the correct conjugation for the underlined verb according to who is doing the action? raúl necesitar estudiar más. necesito necesitas necesita necesitamos necesitan

Chicken broth typical guatemalan dish. a. is the best b. is better than c. it's more delicious d. it's richer than

Can you me correct these spanish questions? ? (they are due tomorrow.)