阿摩線上測驗
10. The line to purchase __________ masks is so long that some people have to stand in line for many hours for just three masks!
(A) disposable
(B) reusable
(C) durable
(D) medical
答案：登入後查看
統計： A(1), B(0), C(0), D(5), E(0) #3554088
統計： A(1), B(0), C(0), D(5), E(0) #3554088
