Definition: to take part in a war Level: B2
许多年轻人在第二次世界大战中作战。
Many young men ___fought in World War II.
他曾在朝鲜战争和越南战争中作战。
He ___fought in both the Korean War and the Vietnam War.
士兵们常常为祖国的自由而战。
Soldiers often ___fight for their country's freedom.
