Simple Past or Present Perfect?

It's often difficult to know whether to use Simple Past or Present Perfect verb tense and often either is fine!  To practice the rules,     

https://www.englishgrammar.org/simple-past-vs-present-perfect-3/

https://www.perfect-english-grammar.com/present-perfect-or-past-simple.html

(4 pages of practice)

https://continuingstudies.uvic.ca/elc/studyzone/410/grammar/ppvpast  

(4 pages of practice)