1. 原句: My sister loves to dance, and she is very good at it.
改写句: Dancing is my sister's passion and she excels at it.
2. 原句: The conference was scheduled to start at 9am, but it was delayed by an hour due to technical difficulties.
改写句: The conference was set for 9am, but a one-hour delay was caused by technical issues.
3. 原句: I enjoy reading books, especially non-fiction.
改写句: Reading books, especially non-fiction, is one of my favorite pastimes.
4. 原句: The restaurant was very busy, the waiters were rushing around, and the noise level was quite high.
改写句: The bustling atmosphere of the crowded restaurant was accompanied by the cacophony of waiters hurriedly attending to patrons.
5. 原句: The professor's lecture was informative and engaging, holding the audience's attention throughout.
改写句: The professor kept the audience engaged and informed throughout his lecture, never losing their attention.
