I ________ MY HOMEWORK AT THAT TIME LAST EVENING.A. WAS DOING B. AM...

1. - 300 CAU TRAC NGHIEM HOC KY II KHOI 10
300 CAU TRAC NGHIEM HOC KY II KHOI 10
1. I ________ my homework at that time last evening.a. was doing b. am doing c. were doing d. have been doing