Final answer:
The correct modifier to add to the sentence about Ashley swimming at the conference meet would be an adverb such as 'swiftly,' 'quickly,' or 'impressively' to describe how she swam.
Step-by-step explanation:
To add the correct modifier to the sentence 'Ashley swam ____ at the conference meet, placing second,' we need to choose an adverb that describes how Ashley swam. Considering Ashley placed second, a suitable adverb to fill the blank could be swiftly, quickly, or impressively. Therefore, the completed sentence could be one of the following:
- Ashley swam swiftly at the conference meet, placing second.
- Ashley swam quickly at the conference meet, placing second.
- Ashley swam impressively at the conference meet, placing second.
Modifiers like these are commonly used to give more detail about the verb in a sentence, specifying how an action was performed. In this case, the adverb 'swiftly' implies speed, 'quickly' suggests promptness, and 'impressively' indicates a notable performance, all fitting Ashley's achievement in the context given.