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1. Would you like to travel to the North Pole? — Северный полюс с артиклем 2.When did you visit North America? — со словом when только Past Simple3.New York is one of the most important cities in the world. — мн. Число — чередование гласных y-i4."You must do it today," the teacher told him. — глагол to tell — бtз частицы to 5. It's the most worst film I have ever seen. — bad — превосходная степень 6. Have you ever seen this film? — ever — Рresent Perfect 7.He has just invited me to go there. — just — Рresent Perfect 8. Nobody has heard the news. — nobody — ед. Число — has 9. I am sure you won't tell David secrets. — двойное отрицание, второй раз no не нужно 10. I shan't (won't) be able to go to the cinema tomorrow. I will (можно: shall) meet my friend at the airport. — can в будущем времени — заменяем на эквивалент — to be able to