ChatGPTを使って、TOEIC問題集を作成しました。 1) 英文本文The Migration Period, also known as the "Völkerwanderung," was a pivotal era in European history, lasting from the 4th to the 8th century AD. This period was marked by the widespread movements of various Germanic tribes such as the Goths, Vandals, and Lombards acr…