阿摩線上測驗
24. Louisa _____ her assignment when her supervisor arrived at the office earlier this morning.
(A) had completed
(B) has been completed
(C) was completed
(D) is completing
答案：登入後查看
統計： A(8), B(1), C(1), D(0), E(0) #4061421
統計： A(8), B(1), C(1), D(0), E(0) #4061421
