Pag. 19 (act 1, 2, 3, 4, 6, 7) 

Pag. 21 (act 1, 3, 4, 5, 7)

https://elt.oup.com/student/solutions/preint/grammar/grammar_05_012e?cc=global&selLanguage=en

https://test-english.com/grammar-points/b1/past-simple-present-perfect/