阿摩線上測驗
2. John ran into ____________ when he tried to expand his new business too quickly.
(A) stock
(B) trouble
(C) market
(D) floor
答案：登入後查看
統計： A(39), B(185), C(34), D(15), E(0) #361761
統計： A(39), B(185), C(34), D(15), E(0) #361761
