阿摩線上測驗
複選題
40. ___ the boss appeared at the door. His employees weren’t expecting him to drop by.
(A) All of a sudden
(B) As soon as
(C) According to
(D) In vain
(E) All at once
答案：登入後查看
統計： A(121), B(63), C(24), D(23), E(115) #2159015
統計： A(121), B(63), C(24), D(23), E(115) #2159015
