問題詳情

2. How many chocolate bars do people need to buy at one time?
(A) One.
(B) Three.
(C) Seven.
(D) Twenty-one.

參考答案

答案:D
難度:簡單0.857143
統計:A(2),B(1),C(0),D(18),E(0)

內容推薦

內容推薦