Asimple grammar question.

i have two cousins (one is a boy and one is a girl). they are outgoing and tall. is this sentence in spanish grammatically correct?

mis primos son extrovertido y alto.

What is the fathers favorite hobby? reading the newspaper watching the news playing sports drawing

Mary just sent out invitations to her wedding last week the invitations were so heavy that she put more than just one stamp on each envelope she used 255 stamps and mailed out 85 invitations and see you as an equal amount of stamps on each envelope

Mi libro favorito es paula de isabel allende. hace un año. a. la leí b. las leímos c. lo leí d. los leo