20. The biggest library _____ our city owns is located on the main campus of our university.
(A) who
(B) what
(C) that
(D) whose
答案:登入後查看
統計: A(3), B(30), C(175), D(13), E(0) #3979453
統計: A(3), B(30), C(175), D(13), E(0) #3979453