国家开放大学 / 理工英语1
---Can I help you, sir?
---I'd like to have 100 _ _ _ _ _ . I want my students to draw pictures.
A. piece of paper
B. pieces of papers
C. pieces of paper
---I'd like to have 100 _ _ _ _ _ . I want my students to draw pictures.
A. piece of paper
B. pieces of papers
C. pieces of paper
参考答案：
佳题速递：