完成下列同义句变化
---I’m sorry I’m late again. ---That’s all right.
---I’m sorry I’m late again.  ---It ___ ___.
Our school has twenty classes.
___ ___twenty classes ___ our school.
These children walk to school every day.
These children ___ to school ___ ___ every day.
Thank you very much for your help.
Thanks ___ ___ for ___me.
Your trousers are very dear. They are nice, too.
Your trousers are ___ dear ____ nice.