下列一笔完成的字母正确的一组是_______。
Beth has a beautiful ______ . Listen! She is singing.
The sailor is ______ of his experiences,because he has been to about30 countries.
She_______ a new idea for reducing pollution.
-Do you mind if I smoke here? -_______ You can go to smoke in the next door.
-What should T do, doctor? -_______ healthy, you should take more exercise.