Mum, I need a new schoolbag. Could you buy for me tomorrow?
A. it
B. that
C. one
D. another
网友回答
A. it
B. that
(答案→)C. one
D. another
解析：考查代词：句意：妈妈，我需要一个新书包，你能帮我买一个吗？这里需要一个词代替a new school bag，one是泛指可数名词单数，that特指可数名词单数或不可数名词，it特指前文提到的可数名词单数或不可数名词，another是泛指“另一个“，选C。