【明報專訊】Bart is a frog. "He sings so sweetly," Dolly sighed. "In one of his songs he sings of a frog who turns into a charming prince!" Is it any wonder that Dolly accepted Bart's ring and became engaged to him? "Stranger things have happened," Bart smiled. When one is engaged to someone, he or she has entered into an agreement with someone to get married.