4.
1. The English Channel separate England from continental Europe?
2. The English Channel separate England from continental Europe, isn't it?
3. What separate England from continental Europe?
4. What separate England from continental Europe The English Channel or Drake Passage?
5. What is separate The English Channel?
5.
1. The most important - "...очень важно..." ( important- more important - the most important )
2. the largest - самый большой. ( large - larger - the largest )
3. The most famous - "...наиболее популярные..." ( famous - more famous - the most famous )
4. many - много ( many - more - the most )
5. more - "...Больше..." ( many - more - the most )
6. the most played - "...больше всего играют..." ( play - player - the playest ) - это я не уверен, на ваше усмотрение
4.
1. The English Channel separate England from continental Europe?
2. The English Channel separate England from continental Europe, isn't it?
3. What separate England from continental Europe?
4. What separate England from continental Europe The English Channel or Drake Passage?
5. What is separate The English Channel?
5.
1. The most important - "...очень важно..." ( important- more important - the most important )
2. the largest - самый большой. ( large - larger - the largest )
3. The most famous - "...наиболее популярные..." ( famous - more famous - the most famous )
4. many - много ( many - more - the most )
5. more - "...Больше..." ( many - more - the most )
6. the most played - "...больше всего играют..." ( play - player - the playest ) - это я не уверен, на ваше усмотрение