1. Insert the words from Words not to be confused. 1. I spent all my life doing really boring ... . 2. What’s all this ... on my desk? 3. Peter became a very valued member of the ... . 4. The ... have worked very hard. 5. He is a ... believer in discipline for the children. 6. They were passing by a ... wall of rock. 7. Inside the room he saw a few pieces of old ... furniture. 8. The knot was ... and he couldn’t undo it.