阿摩線上測驗
6. I have learned English ___________ I was at the age of five.
(A) since
(B) for
(C)while
(D) yet
答案：登入後查看
統計： A(99), B(2), C(13), D(0), E(0) #1908581
統計： A(99), B(2), C(13), D(0), E(0) #1908581
