16. The researchers suggested that plastic pollution _____ addressed immediately.
(A) be
(B) is
(C) was
(D) will be

答案：登入後查看
統計： A(70), B(6), C(11), D(24), E(0) #3493859

詳解 (共 1 筆)

#6598022
正確答案是 (A) be。 翻譯：研究...
(共 293 字，隱藏中）
前往觀看
10
0