阿摩線上測驗
20. ______ a lot of evidence that shows that gathering and implementing customer feedback is one of the most important ways to grow your business.
(A) They are
(B) There is
(C) There are
(D) It is
答案：登入後查看
統計： A(0), B(2), C(1), D(0), E(0) #3384759
統計： A(0), B(2), C(1), D(0), E(0) #3384759
