39. I saw you after dinner last night. You _____ your dog with your brother.
(A) are walking
(B) was walking
(C) were walking
(D) walk
答案:登入後查看
統計: A(1), B(6), C(29), D(1), E(0) #3974918
統計: A(1), B(6), C(29), D(1), E(0) #3974918