單項選擇---Whatdoyouneed?---Iwanttobuy

問題詳情：

單項選擇

---What do you need? ---I want to buy ___________.

A. a box of crayon                      B. two boxes of crayon   

C. a box of crayons                    D. two box of crayons

【回答】

C

知識點：名詞

題型：選擇題