阿摩線上測驗
14. Please separate your garbage and _______ it in the appropriate containers.
(A) to put
(B) puts
(C) putting
(D) put
答案：登入後查看
統計： A(5), B(14), C(25), D(162), E(0) #1960627
統計： A(5), B(14), C(25), D(162), E(0) #1960627
