Question

which practice did robert frost have in common with his modernist peers?
using traditional forms
using experimental techniques
writing in everyday language
writing in free verse

Explanation:

Robert Frost, while a modernist, often wrote in everyday - language, which was a common practice among modernist poets to make their work more accessible. He didn't always use experimental techniques like some of his peers, nor did he mainly write in free - verse or traditional forms exclusively.

Answer:

writing in everyday language