If the new arrangement doesn’t _____, we’ll go back to the old one.
Dad decided to build a small tool room with a lock, ______ he would keep his best tools so my brother couldn’t reach them.
— Have our travel plans been decided? — No, still ______.
_____ there was no conclusive evidence, most people thought he was guilty.
David was always ______ his best in any danger, but at that moment he froze.
As the spokeswoman said, ______ we should take action against them depends on what they will do.