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Раскройте скобки, употребляя глаголы в Present Perfect

1. Who has (to write) this article? 2. We have already (to learn) a lot of English words. 3. Who has (to teach) you to do it? 4. He has just (to do) something for us. 5. Have you (to find) the book? 6. We have just (to talk) about it. 7. He has just (to say) something about it. 8. He has (to tell) us nothing about it. 9. She has (to tell) them some stories about dogs. 10. We have (to have) two lessons today. 11. She has not (to speak) yet. 12. They have (to ask) me several questions. 13. He has already (to learn) the rule. 14. Have you (to read) any stories by Jack London? 15. He has (to fix) his car and now he is (not to have) any trouble with the brakes anymore. 16. You have just (to hear) tomorrow's weather forecast. 17. James (to order) a bottle of apple juice. 18. We (to find) more CDs with good music. 19. You (to watch) your favourite film? 20. I (to translate) a difficult article from German into Russian.