阿摩線上測驗
8. The detective is currently conducting an ________ to determine the cause of the suspicious fire.
(A) investigation
(B) investment
(C) interaction
(D) interruption
答案：登入後查看
統計： A(9), B(1), C(0), D(1), E(0) #3891937
統計： A(9), B(1), C(0), D(1), E(0) #3891937
