1) Nick and Jack have helped to bring the boxes. 2) I have traveled to Europe. 3) Pupils have written a test on Maths.4) They have visited the grandparents. 5) Peter has translated the story recently. 6) She has made tea with lemon. 7) Lizzy has celebrated her birthday. 8) They have bought a present for their mum. 9)Kate has baked a tasty cake. 10) People have asked a lot of questions. 11)Julia has opened the door. 12) The Greens have sunbathed at the seaside. 13)Max has played a new computer game . 14) My granny has cooked a dinner. 15) We have seen this film. 16) Gwen has called his best friend.