Помогите,пожалуйста,вставить правильный вариант
1. (A / The) first poem (is / are) long.
2-.Who (look / looks) after the dog?
-The (boys / boys') mother (do / does / looks).
3. We had (five / the fifth) lessons yesterday.
4. The (five / fifth) lesson was English.
5. She has got (two / second) sons.