Rewrite the following sentences changing the objeto directo (underlined is ~inbetween~) to a pronoun (in some instances you may need to change the objeto indirecto to "se"):
8. Me compras ~el regalo.~
9. Le doy ~la silla.~
10. Eduardo lee ~el libro.~
11. Le mandamos ~la carta.~
12. Nos manda ~la carta.~