1. It is difficult to learn English without visiting an English-speaking country.
2. It is difficult to understand the traditions and customs of the people without studying its history
3. It is impossible to talk about London without mentioning the most famous buildings.
4. I prefer speaking English.
5. It keeps raining
6. This museum is worth visiting
7. I want to leave this town.
8. He left the room without saying a word
9. H<span>e insisted on our leaving
10. </span>To speak English is difficult
In last year Olimpics of Russia won the competition
Плевать хотели вы на то что мы должны сами догадываться,что за вопросы у него
<span>the professor said to his assistant that he had made great progress.</span>
Первый вариант. Потому что там сто процентов made, так как там were tired(прошедшее время)
И после made ставится инфинитив без частицы ту