1, After said goodbye to my parents, I went to school with my sister =>having said
2, Ba can play the piano better more than his friends can => bỏ more
3, my father asked us not to spending too much time playing computer games => spend
4, I saw the men, the woman and the cattle which went to the field => what
(Dùng what chỉ cái gì do ko có lựa chọn nên ko dùng which)
Xin hay nhất