阿摩線上測驗
20. A: Hey! I can’t believe you just did that!
B: Did what?
A: You __________ on the ground. You’re being a litterbug!
(A) dropped your trash
(B) lay
(C) put your child
(D) sat down
答案：登入後查看
統計： A(714), B(112), C(20), D(29), E(0) #1307583
統計： A(714), B(112), C(20), D(29), E(0) #1307583
