原本題目:2. His engagement played a role in the success of the event. (A) unimportant (B) significant (C) decent (D) precarious (E) capricious 修改成為2. His engagement played a _____ role in the success of the event. (A) unimportant (B) significant (C) decent (D) precarious (E) capricious
2.His engagement played a _____ role in ..-阿摩線上測驗