Там нечего решать, это форма для того чтобы ее запомнить. Артикул the не используется перед названиями стран, континентов или городов. Кроме случаев если название страны состоит из нескольких слов, как например Российская Федерация или Соединённые Штаты Америки.
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At seven
a.m. Alec is in the park. Alec runs in the park. His
dog, Spot, runs with the boy. Alec and Spot jump and play in the park together. In the afternoon Alec is at school. He reads English and Russian books. He speaks English too. He can speak English but not very well. In the evening Alec plays with his toys or meets his friends. They swim or ride their bikes. Alec helps his mother too. They like to cook together.</span></span></span></span>
2) Tom and Julie live in a big city in the center of the country I started to learn English five years ago He will go to school next year
3) I am learning English now Yesterday evening I was playing tennis with a friend I will be watching TV tomorrow at 7 o'clock
5) Natasha goes to the university Does Natasha go to the university? Does Natasha go to the university or school? Natasha goes to the university, doesn't she? What does Natasha do?