1. Mary is George’s wife.
2. George is John’s and Laura’s father.
3. Mary is John’s and Laura’s mother.
4. John is Mary’s and George’s son.
5. Laura is Mary’s and George’s daughter.
6. John is Laura’s brother.
7. Laura is John’s sister.
8. Jelly is John’s and Laura’s aunt.
9. Rob is John’s and Laura’s uncle.
10. John is Kelly’s and Rob’s nephew.
11. Laura is Kelly’s and Rob’s niece.
Gordeychuk, думаю, как-то так)
Bad - worse- the worst это степени сравнен прилаг . Ты это имел ввиду?
4. please, get ready, your performance is the next one
5. please, returm the books to the library without further delay
6. this time you have less mistakes than you had in the last composition