Вопрос по английскому языку:

look at the picture and fill in the gaps with has have hasn t haven t

My friends are waiting for the bus.The bus ...... arrived.The girls .....bought ice creams.They have finished eating them.The boy ...... bought an ice cream.He .......... bought a sandwich.Some dogs have found the sandwich.The boy ........seen the dogs,but one of the girls ....... seen them Сроочно даю 80б