阿摩線上測驗
8. [ ] When you are taking a test, you have to struggle through _____ your own.
(A) in
(B) at
(C) on
(D) for
答案：登入後查看
統計： A(52), B(16), C(139), D(31), E(0) #1934910
統計： A(52), B(16), C(139), D(31), E(0) #1934910
