一、根据句意及首字母的提示，填写所缺的单词。
1. Alexander Graham Bell i ________ the telephone in 1876.
2. Do you know how to o______ on the machine?
3. I can see an i_____ in the middle of the lake.
4. They like the fish and potato c_____ in the shop.
5. The soup isn’t s______. Put some salt again, please.
6. Have you b_____ the baby’s milk yet?
7. He was wearing a new cap, but I didn’t even n_____ it.
8. Salt is p_____ in East and South China.
9. A machine is made of m_____.
10. We took the pictures with the new c_____ last month.
