阿摩線上測驗
21. You should keep quite in the library. No conversation or
other types of noise _____ in this area.
(A) permit
(B) are permitted
(C) are permitting
(D) been
permitted
答案：登入後查看
統計： A(36), B(399), C(42), D(41), E(0) #2228390
統計： A(36), B(399), C(42), D(41), E(0) #2228390
