阿摩線上測驗
49. You will have a greater chance of winning RPS if you ________.
(A)yawn or laugh frequently
(B)use random throws
(C)try to predict what your opponent will throw
(D)break your concentration
答案：登入後查看
統計： A(103), B(129), C(902), D(49), E(0) #1769182
統計： A(103), B(129), C(902), D(49), E(0) #1769182
