21-6 плиз**********!!

21)My friend finished school last year. 22)Grandfather did not work in the garden. 23)get-got, think-thought ,write-wrote, be-was/were, dance-danced,work-worked 24)Pupils did not write a report in Literature on Monday. 25)Kate and Mike did not decorate the classroom three hours ago. 1) my 2)their 3)more interesting 4)the biggest 5)the oldest 6)best