15. Using oysters as natural ________ , the project aims to clean up the water in the New York Harbor, which has been polluted and depleted of marine life for years.
(A) purifiers
(B) purifies
(C) purifications
(D) purities
詳解 (共 1 筆)
未解鎖
Using oysters as nat...
私人筆記 (共 1 筆)
未解鎖
這句話的正確答案是 (A) purifi...
阿摩線上測驗
登入
