阿摩線上測驗
12. _______ the environment has serious consequences for our society. For example, scientists say that dirty
water can cause many health problems.
(A) Pollute
(B) Polluting
(C) Pollution
(D) Pollutes
答案：登入後查看
統計： A(10), B(343), C(13), D(8), E(0) #902839
統計： A(10), B(343), C(13), D(8), E(0) #902839
