— HAS TOM FINISHED HIS HOMEWORK YET

4. - 70 CÂU GIAO TIẾP TRONG TIẾNG ANH
Tiếng Anh 70 CÂU GIAO TIẾP TRONG TIẾNG ANH
4. — Has Tom finished his homework yet? — I have no idea, he _____ it this morning.A. was doing B. did C. had done D. would do