阿摩線上測驗
36. In Antarctica, a massive wall that for years was an obstacle to whale watchers receded in 2010 to reveal a shallow channel
full of feeding humpbacks.
(A) that
(B) was
(C) receded
(D) to reveal
(E)
feeding humpbacks.
答案：登入後查看
統計： A(16), B(17), C(12), D(12), E(2) #939495
統計： A(16), B(17), C(12), D(12), E(2) #939495
