阿摩線上測驗
12. The factory has been throwing trash into the river for years. Now __________must be
taken to stop this.
(A) action
(B) chances
(C) exercise
(D) notes
答案：登入後查看
統計： A(915), B(86), C(59), D(45), E(0) #1789731
統計： A(915), B(86), C(59), D(45), E(0) #1789731
