tolong dibantu ya guys..

1) The leader told me that the strike was going to be called off.
2) It goes without saying, we can succeed only by combined effort.
3) I don't know when he may become a member.
4) He is well-experienced although he is not educated.
5) I sank into the water then i felt a great confusion of thought and i cannot describe it.
6) I found the door locked when i went there

*jawabn terbaik?