英语高手帮帮忙,拜托了

student---students
They---Their
an---/
clas----class
his---he is
us----our

We have(there are) two foreign student(s) in our class.They(their) names are Simon and Alice.Simon is an English.But(and) Alice is (an)American.They are twelve.They are in the same row ,but different numbers.Simon is Number Six,Alice is Number Seven.Peter is in we clas(s),too.He is on duty today.And(but) he is not here.I think his(he is) at home.Miss Brown is us(our) teather.Her(she) teaches English.She is a good teather.