Помогите пожалуйста преобразовать прямую речь в косвенную.
a) Nick said, " Unfortunately, I didn't try the shoes on before buying them."
b) Ann said, " I don't like these sandals."
c) Dan said, " I will not put on my old gymshoes."
d) Nadia said, " I wore high-heeled shoes at the party."