I can help with a bit, but not all.
3)
11 is A.
12 is C.
13 is B.
14 is C.
4)
15 is A.
The pitch and frequency from the sirens becomes too high and can instantly kill people
It typically begins when they start to recognize many letters as well as their name in print.
Mi papa usa el carro para ir al trabajo.
Mi hermana está aprendiendo a manejar su carro.