Definition: alone Level: B1
他觉得独自工作很宁静。
He finds it peaceful to work ___on ___his ___own.
他们决定独自探索这座城市。
They decided to explore the city ___on ___their ___own.
你不能完全靠自己解决这个问题。
You can't solve this problem ___all ___on ___your ___own.
