present perfect simple irregular verbs upper intermediate 1 - tutto inglese - Imparare l'inglese gratis on line

Brasil (withdraw) its agreement to the same accord.
No tournament all year (bear) witness to a bigger giveaway.
Several previously well-documented examples (lean) support to this theory.
He (sell), as the price (slide).
Qatar (seek) to diversify its economy through industrialization.
The unrest (spread) to Tunis, the capital.
Merger mania (strike) the airlines once again.
It's a path Peter Wood (tread) before.
Nearly everyone with an education (flee) the country.
When a bee (sting), it releases a chemical to attract more bees to the area.