Respuesta:
Part 1:
1. Mark didnt' ate an orange this morning.
2. Mom didn't do the washing up after dinner.
3. Our teacher didn't go on Holiday last week.
4. I didn't see my English teacher yesterday.
5. Mr. Brown didn't leave the office at six o'clock.
Part 2:
1. Did he work in Paris two years ago?
2. Did she make an interesting project?
3. Did we pass our final exams succesfully?
4. Did I see my math teacher yesterday?
5. Did he eat an apple after lunch?
Explicación:
Para hacer oraciones negativas en el pasado simple se usa:
Sujeto + didn't (did not) + verbo en forma base + complemento +.
Para hacer preguntas en el pasado simple se usa:
Did + sujeto + verbo en forma base + complemento + ?
