Here is the key to the exercises from the Student’s Book that the Avanzado 1 A students (Fridays) have to do:
Student’s Book (pages 18 and 19). Exercises:
-2e: 1B 2B 3K 4N 5K 6K 7K 8N 9K
-2f: 5 be prepared, 1 behave towards you, 3 experienced, 2 loses control of his / her feelings, 4 solve a problem or do a task.