题目内容：
---Can I help you, sir?---I.d like to have 100 _____. I want my students to draw pictures.
选择一项：
A.
piece of paper
B.
pieces of paper
C.
pieces of papers
参考答案：
选择题：---Can I help you, sir?
- 题目分类：国家开放大学理工英语1
- 题目类型：选择题
- 查看权限：VIP
---I.d like to have 100 _____. I want my students to draw pictures.
选择一项：
A.
piece of paper
B.
pieces of paper
C.
pieces of papers