Jenny was a five-year-old girl. One day, while she was shopping with her mother, she saw a plastic pearl necklace   and loved it so much. So she asked her mother to buy it for her. Every night, before Jenny went to bed, her dad would read stories to her. One night, when he finished the story, he asked, "Jenny, do you love me?" "Dad, you know I love you," Jenny answered. "Well, give me your necklace," Dad said. "No, Dad. But you can have my favorite doll." Several times, when her father asked her to give him the plastic necklace, Jenny would give him something else instead. One evening, after Jenny's father read her a story, Jenny said, "Here, Dad." She put her plastic pearl necklace into her father's hand. Her father hold the necklace in one hand and opened the other hand. There was a real pearl necklace in it. He had had it for a long time, and waited for Jenny to give up the cheap one so that he could give her the real one. So, don't be _ . If we are generous  , maybe we will get something better. From the passage, we know that   _  .
Jenny's father bought the plastic necklace for her Jenny didn't love the plastic pearl necklace later Jenny knew her father bought her a real pearl necklace Jenny's father gave her a real pearl necklace