Past simple vs. Present perfect

Hi!

Just to practice and review the past simple and the past perfect:

EXPLANATION: https://www.ego4u.com/en/cram-up/grammar/simpas-pasper

TO PRACTICE:
https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises
https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex02
https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex03
https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex04
https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex05
https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex06
https://www.ego4u.com/en/cram-up/grammar/simpas-preper/exercises?ex07
https://www.englisch-hilfen.de/en/exercises/tenses/simple_past_present_perfect3.htm
https://www.perfect-english-grammar.com/past-simple-present-perfect-4.html
https://www.curso-ingles.com/practicar/ejercicios/present-perfect-vs-past-simple-1
https://www.englishpage.com/verbpage/verbs5.htm