Bonjour,
Réponse :
a) In the US about 55% of children go to school by bus.
In the US aboout 55% of children don't go to school by bus.
b) A student goes to school from 8 AM to two or three every day.
A student doesn't go to school from 9 am two or three every day.
c) we have a one hour lunch break and the class periods last usually between 40 and 60 minutes.
We don't have a one hour lunch break and the class periods don't usually last between 40 and 60 minutes.
