4. He (not sleep) for three nights, even though he (go) to bed early yesterday evening. 5. My father (never forget) my birthday. 6. They (travel) around the world last summer. 7. They (decide) this at a meeting some days ago. 8. (You ever be) to New York? 9. I know Hanoi City well. I (live) there for three years when I was a student. 10. Michael does not have much money so he (not buy) a car yet. 11. We (have) a good time at the party last weekend. 12. Look at that. Someone (break) my motorbike. 13. Emily (just finish) packing her bags. 14. The plane (land) ten minutes ago. 15. I (do) all the housework. Everything is clean now. 16. When (Columbus discover) the New World? 17. We (not visit) him since last weekend. 18. She feels great. She (lose) five pounds since Christmas. 19. The last time I (play) tennis was four years ago.