阿摩線上測驗
47.Hand soaps ________ in restrooms in public venues have been found to contain exceedingly high numbers of viable bacteria.
(A) provide
(B) providing
(C) are provided
(D) provided
答案：登入後查看
統計： A(7), B(7), C(30), D(45), E(0) #664962
統計： A(7), B(7), C(30), D(45), E(0) #664962
