A proposition is a semantic structure composed of two or more concepts linked together through linking phrases to create units with meaning (Novak & Gowin, 1984). ... In this sense we can say that a proposition is a declarative sentence.
Le escribe Rolando un mensaje electronico a miguel?
answer: No, Rolando no le escribe un mensaje electronico a miguel.
I don't know if you need to write the answers on a negative way(words like no, never, etc) but on the first question give you details to how answer a questions in a correct way.
Ex. le compras una camisa a tu novio? No, no le compro una camisa. (negative way) you need to read carefully all the sentences to see the correct way to answer.
Hope this helps, good luck.
Answer:
Develop your leadership skills, develop your ability to work in a team, develop your ability to use your initiative, become actively involved in the day to day running of the school, extend your CV, provide positive evidence for College and job references and become a more well-rounded human being.
Explanation:
I'm more than sure your guesses are correct.