have to/ go/ We/ to/ at Tet/ don’t/ school.7/15 have to/ go/ We/ to/ at Tet/ don’t/ school.We don’t to go have to school at Tet.We don’t go to have to school at Tet.We don’t have to go to school at Tet.We don’t have to school go to at Tet.Giải thíchĐáp án C Dịch: Chúng tôi không phải đi học vào dịp Tết.