The river was _____________ by the chemical waste from the factory. 
(A)contained
(B)crossed
(C)collected
(D)contaminated

答案：登入後查看
統計： A(535), B(322), C(211), D(2101), E(0) #324527

詳解 (共 2 筆)

#640518
（A）包含（B）交叉（C）收集（D）污染
44
0
#270171
來自工廠的化學廢料污染河流。
11
1