Составить 10 предложений используя a/an

1 . This is an apple
2. This is a pensil
3. This is a bed
4. This is a bathroom
5. This is a mat
6 This is a chair
7 .This is a dog
8. This is a cat
9. This is an orange
10. This is a milk

I have got an umbrella.
This is a ball.
You have got an apple.
This is a pencil.
She has got a colorpen.
He has got an yo-yo.
This is a box.
This is an onion.
This is a watch.
This is an orange.