I ______ THE WASHING UP BEFORE MY MOTHER CAME HOME.A. WAS DOING B....

14. - DE KIEM TRA CHAT LUONG GIUA KI I
Tiếng Anh DE KIEM TRA CHAT LUONG GIUA KI I
14. I ______ the washing up before my mother came home.A. was doing B. did C. had done D. would do