Answer: Question 1 is A. C is wrong because without much notice would be informal. B is wrong because posting it on the newspaper it would be visible to everyone even people you don't know.
Question 2 The answer would be B because Madrid is the largest city in Spain. Answer A and C is wrong because both of them are true.
Question 3 the answer is B. Sorry I can't give an explanation I have to go. Let me know if these answers are correct.
Explanation:
8-habló
9- escuchó
10- oyó
1) En el sofa
2) encima de la mesa
3) <span>a la derecha del televisor
4) </span><span>aquí
5) </span><span>cerca del padre</span>