present perfect simple vs past simple 40 - tutto inglese - Imparare l'inglese gratis on line

Peter just (sell) his old computer, but he (not/buy) a new one yet.
Rick (meet) her at the airport last Wednesday.
you (see) the moon yet?
Jim’s problems (agitate) her last week.
Mario just (break) his new watch.
The children (dirty) the floor with their muddy shoes an hour ago.
I (enjoy) reading this book up to now.
Juliet (sail) smoothly across the lake yesterday.
We (run) the New York marathon last year.
Jim not (not/finish) his homework yet.