阿摩線上測驗
43.Susan had to walk five miles back to the office after realizing she ______ her wallet there.
(A) had left
(B) has left
(C) have left
(D) has been leaving
答案：登入後查看
統計： A(654), B(164), C(64), D(111), E(0) #3107983
統計： A(654), B(164), C(64), D(111), E(0) #3107983
