Всё делал сам,наверное так-
1. Pete is a small boy. - He is a small boy.
2. Nina is a nice girl. - She is a nice girl.
3. I and my friend are students. - My friend and I are students. - We are students.
4. John is a worker. - He is a worker.
5. The boys are brothers. - They are brothers.
6. The girls are cousins. - They are cousins.
7. I and my sister are twins. - My sister and I are twins. - We are twins.
8. The girls are nieces. - They are nieces.
9. The boys are my nephews - They are my nephews..
10. Oleg is a driver. - He is a driver.
2)to spend a vacation
3)preparing for exam
4)get involved in the economy
5)be interesting in the modeling
6)to gather with friends
7)to spend a weekend with parents