Do these exercises seriously !
Positive statements : https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_statements2.htm
Questions : https://www.englisch-hilfen.de/en/exercises/questions/simple_past.htm
Question with Wh words : https://www.englisch-hilfen.de/en/exercises/questions/question_words_simple_past.htm
Questions and answers : https://www.englisch-hilfen.de/en/exercises/tenses/questions_answers_simple_past.htm
Negative statements : https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_negation_sentences3.htm