阿摩線上測驗
3. The small startup faced a _____ competitor that controlled over eighty percent of the market.
(A) favorable
(B) formidable
(C) frail
(D) fragile
答案：登入後查看
統計： A(2), B(3), C(3), D(3), E(0) #3992757
統計： A(2), B(3), C(3), D(3), E(0) #3992757
