阿摩線上測驗
19 You should make good use of this __________ to broaden your experience. Chances like this are rare.
(A)existence
(B)majority
(C)opportunity
(D)responsibility
答案：登入後查看
統計： A(43), B(82), C(1353), D(61), E(0) #432397
統計： A(43), B(82), C(1353), D(61), E(0) #432397
