阿摩線上測驗
15 It is hard to imagine how people did laundry before_____ was invented.
(A) lotion
(B) detergent
(C) conditioner
(D) shampoo
答案：登入後查看
統計： A(3), B(37), C(23), D(6), E(0) #799985
統計： A(3), B(37), C(23), D(6), E(0) #799985
