Составьте 11 предложений с "а", "an" и "the"

1 I have an apple
2 i have an orange
3 I have a pencil
4 I have a book
5 I have a good mark 
6 I have a sandwich for lunch
7 I have a paper
8 I have an oval medal
9 I have a pen
10 I have a window in front of me
11 the teacher sent me an email