Mettez les verbes au present perfect simple ou au present perfect en be + V-ing. a. The fridge is totally empty, someone ... all the leftovers. (eat) b.Something strange ... over the last few days. (happen) c. I... him for a long time, you can trust him. (watch) d. How long ... you...? (drive) e. Bryan ... for three hours. (shop) f. They ... to the emails. (reply - not)