阿摩線上測驗
39. One of the reasons for his being late to work today is _____ he was stuck in a traffic jam for a while.
(A) what
(B) it
(C) that
(D) this
答案：登入後查看
統計： A(362), B(159), C(1686), D(79), E(0) #2764495
統計： A(362), B(159), C(1686), D(79), E(0) #2764495
