选第一个, delight是不可数,所以不加冠词 感叹句的用法参考 what+(a/an)+adj.+n.+主语+谓语+(it is). 如: ① What a clever girl she is! 多么聪明的姑娘呀! ② What an interesting story it is! 多么有趣的故事呀! ③ What good children they are! 他们是多么好的孩子呀! ④ What beautiful flowers they are! 多么漂亮的花呀! ⑤ What delicious food it is! 多么有味的食物呀! ⑥ What heavy snow it is! 多么大的雪呀!
How+adj.(adv.)+主语+谓语+(it is). 如:① How cold it is today! 今天多么冷呀! ② How nice the pictures are! 多么漂亮的图画呀! ③ How happy they look! 他们显得多么高兴呀! ④ How well she sings! 她唱得多好呀! ⑤ How hard they are working now! 他们干得多么起劲呀!