В. Раскройте скобки, поставив глаголы в present perfect или past simple. 9. James (not/ arrive) at school yet. 10. William (study) a lot of new things since last year. 11. I'm worried because Julie (never/be) absent before. 12. (you/do) your homework last night? 13. We (have/ already) three maths lessons this week. 14. The teacher (take) the register for the first time with his new class last week. 15. The good news is that nobody (fail) a test in this class since the beginning of the year. 16. The bus (be) late again this morning. 17. William (go) to university last year after passing all his exams. 18. The teacher (not/tell) us about the test until today! 19. You (not/do) your homework for three weeks. 20. (you/read) this book yet?