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Мда ну и ошибки: D1.he has just written a letter (это Present Perfect) 2. We have seen a very interesting film.3.He has read a lot of books.4. They have already played many games.5. They have been England.6. When have you seen him? (это правильный) канструкция Present Perfect: "+" S+have/has+V3/ed"-" S+have/has+not+V3/ed"? " (WH) Have/Has+S+V3/ed