阿摩線上測驗
30. No sooner had the panel begun the Q&A _____ the projector shut down and the screen went black.
(A) when
(B) than
(C) that
(D) because
答案：登入後查看
統計： A(14), B(13), C(5), D(3), E(0) #3895753
統計： A(14), B(13), C(5), D(3), E(0) #3895753
