Ответ: 1. they I meet I their opponents. (just) — They’ve just met their opponents. 2. you I not play I your best game. (yet) — You naven’t play your best game yet. 3. I I buy I the tickets. (by the time of their arrival) — I had bought the tickets by the time of their arrival. 4. I I visit I a game of cricket. (when I was in London last year) — I have visited a game of cricket when I was in London last year. 5. The coach I talk I tohim. (yesterday) — The coach talked to him yesterday. 6. I I write I an email to the sponsor. (just) — I have just written an email to the sponsor. 7. According to legend, the ancient Olympic Games I to be founded I by Heracles, the son of Zeus. — According to legend, the ancient Olympic Games were founded by Heracles, the son of Zeus. 8. I I participate l in two competitions. (since I began exercising) — I have participated in two competitions since I began exercising. 9. We I hear I the news about your wins. (already) — We already have heard the news about your wins. 10. Over 10,000 athletes I take part I in the Olympic Games. (last year) — Over 10 000 athletes took part in the Olympic Games last year.