阿摩線上測驗
20. Rope ladder with wooden round rungs light enough to be easily portable calls _________.
(A) portable ladder
(B) Jacob’s ladder
(C) pilot ladder
(D) accommodation ladder
答案：登入後查看
統計： A(1), B(0), C(0), D(0), E(0) #4053913
統計： A(1), B(0), C(0), D(0), E(0) #4053913
