find the mistake
1-A canoe is a kind of canon.
2- My grandmother has a wonderful necklace of jewellery. Some pieces are rare and very expensive.
3- It's a rather old car. It's price 12,000 pounds, no more.
4-I shock to know that he died in the accident.
3- We stopped half way up the hill to enjoy the viewer.
5- A manual machine is designed to work by itself without much human control.