Bonsoir, Quelqu’un pourrait m’aider car je ne comprend pas cet exercice Merci d’avance

1) I guess that the knights sometimes had to feel lonely.

2) Luke Skywalker was the only one able to face his father Dark Vador.

3) The mission of Biblio as thief was to approach the dragon Smaug alone and without help.

4)Will know how to have the only ring capable of ruling all peoples.

5) He had to accomplish alone the task of destroying the year.