问题详情：
用适当的介词填空。
1．The door 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.
【回答】
1．of of
知识点：介词和介词短语
题型：完成句子
