помогите номер 2 и 3

2. ) 2. had 3. balls 4.school 5. write 6.helped 
3. Nowdays children like to play with diferent toys made of plastic mostly. 
But more popular became vidio games.
In our century all children must go to school. The pupils learn different subjects , such as math, language, art and natural science. They may to become scientists, doctors, artists. Everyone they want to be.