7. At one of our meetings last month, I _______ by our client to investigate the problems.
(A)asked
(B) was asked
(C)had asked
(D) had been asking
答案:登入後查看
統計: A(66), B(882), C(157), D(114), E(0) #1386512
統計: A(66), B(882), C(157), D(114), E(0) #1386512