be made of, be made from, be made in, be made by, be made up of 练习：

1. The desk is made __________ wood .

2. Paper is made__________ wood .

3. The machines were made __________ the workers .

4. This kind of watch is made _________ Shanghai.

5. The team is made__________ 30 students and a teacher .

6. This kite is made __________ paper .

7. Salt is made __________seawater .

8. This kind of glass is made __________ paper .

9. The old bridge is made__________ stone .

10. This kind of drink is made_________ apple .

11. This bike is made __________ Shanghai .

12. Our class is made __________ forty students . 13. This machine was made __________ Uncle Wang .

14. This team is made _________ two doctors and five nurses .

15. This kind of car is made _________ this factory .

16. Butter is made__________ milk.

17. The plane is made __________the workers in this factory.

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