阿摩線上測驗
9. The Great Wall of China was originally built to ______ the northern border of the country against foreign invasion.
(A) fortify
(B) rehearse
(C) diminish
(D) strangle
答案：登入後查看
統計： A(212), B(25), C(64), D(31), E(0) #2160122
統計： A(212), B(25), C(64), D(31), E(0) #2160122
