Find the mistake

[abdoatty]

Find the mistakes in each of the following sentences then write it correctly:
1- He is used to sleep early since he was young.
2- I fell ill while I was being on holiday.
3- She studies hard although she wants to get high marks .
4- Nourhan is the more intelligent student in the class.
5- They look so tired ; so they're playing Squash for three hours.
هذا هو أمتحان الأزهر منطقة قنـــا الأزهرية السؤال الرابع