在句子‘他跑得快’中，‘quickly’是一个副词。

In the sentence 'He runs quickly,' 'quickly' is an ___adverb.

单词‘happily’是一个副词，描述她笑的方式。

The word 'happily' is an ___adverb that describes how she laughed.

你能在这个句子中找到副词吗？

Can you find the ___adverb in this sentence?