阿摩線上測驗
5. Many environmentalists urge the public to gradually ________ using plastic bags, which are harmful to the environment.
(A) give up
(B) figure out
(C) come up with
(D) start out
答案：登入後查看
統計： A(252), B(29), C(29), D(8), E(0) #3814410
統計： A(252), B(29), C(29), D(8), E(0) #3814410
