42. In line 2, what does the word “it” refer to?
(A) Pollution.
(B) Enemy.
(C) Coal.
(D) Estimate.

答案：登入後查看
統計： A(20), B(37), C(167), D(10), E(0) #573408

詳解 (共 1 筆)

#3529848
42.【題組】42. In line 2...
(共 198 字，隱藏中）
前往觀看
10
0