1. What is a telephone used _____, class?

　 A. to　　　　　 B. in　　　　　　 C. for　　　　　　 D. about

10. We took the pictures with the new c_____ last month.

9. A machine is made of m_____.

8. Salt is p_____ in East and South China.

7. He was wearing a new cap, but I didn’t even n_____ it.

6. Have you b_____ the baby’s milk yet?

5. The soup isn’t s______. Put some salt again, please.

4. They like the fish and potato c_____ in the shop.

3. I can see an i_____ in the middle of the lake.

2. Do you know how to o______ on the machine?