4. When Minnie called me last night, I_____.
(A) did homework
(B) was doing homework
(C) am done homework
(D) have done homework
答案:登入後查看
統計: A(65), B(2347), C(40), D(129), E(0) #1659463
統計: A(65), B(2347), C(40), D(129), E(0) #1659463