tolong bantu ya , please secepatnya

J.
1.The postman delivered the letter yesterday
2. Did buy a new dictionary yesterday?
3. The student were happy to hear their graduation
4. my father of was not angry with me
K.
1. - mr. ali don't watch the football game on TV
? Do mr. ali watch the football game on TV?
2. -the teacher didn't call the naughty student
? Did teacher call the naughty student?
3. - the librarian didn't put the book in the self
? Do the librarian put the book in the self?
4. -the classroom didn't look very dirty
? Did the classroom look very dirty?