Вставьте артикли, где это необходимо.
1) I`m in ... first form. My sister is in ... second form.
2) Do you live in ... third house?
3) Who likes ... fifth song?
4) .... Dialogue Five is interesting. Lena, do you want to learn... dialogue?
5).... Nikita lives in ... Room Seven and ... Roman lives in ... Room Ten.