31.
(A) established
(B) were established
(C) have established
(D) were establishing

答案：登入後查看
統計： A(33), B(276), C(49), D(10), E(0) #1571429

詳解 (共 1 筆)

#2459452
 were established 被建...
(共 23 字，隱藏中）
前往觀看
10
0