問題詳情
30. What is the how-to list about?
(A) How to join 2ndHandBooks.
(B) How to buy books from 2ndHandBooks.
(C) How to sell books through 2ndHandBooks.
(D) How to send back books that are bought through 2ndHandBooks.
參考答案
答案：C
統計：A:0,B:0,C:3,D:0,E:0
難度：計算中