– Can I help you sir? I’d like to have 100 . I want my students to draw pictures. A. p

问题补充：

– 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 paper C. pieces of papers

答案：

解析： 考查名词。Paper是不可数名词，一张纸用a piece of paper;100张纸用100 pieces of paper。所以 选B。