B) Fill in the gaps with the proper prepositions 1. The UK occupies the territory ... the British Isles ... the total area
... 244,100 sq. km. 2. The UK is separated ... the continent ... the En-
glish Channel. 3. Many rivers are flowing... Great Britain. 4. Will you
take part ... the conference ... the UK? 5. Britain is visited ... winds ...
different parts ... the world.
​

1. The UK occupies the territory __of__ the British Isles __with__ the total area __of__ 244,100 sq. km.
- We use the preposition "of" to show possession or belonging, in this case, the UK possesses or belongs to the British Isles. We also use the preposition "with" to indicate the measurement or quantity of the total area.

2. The UK is separated __from__ the continent __by__ the English Channel.
- We use the preposition "from" to indicate the direction or origin of separation. In this case, the UK is separate from the continent. We also use the preposition "by" to show the means or method of separation, in this case, the English Channel separates the UK from the continent.

3. Many rivers are flowing __through__ Great Britain.
- We use the preposition "through" to indicate movement or passage within a place. In this case, the rivers flow through Great Britain.

4. Will you take part __in__ the conference __in__ the UK?
- We use the preposition "in" to indicate participation or being involved in something. In this case, the person is being asked if they will participate in the conference. We also use the preposition "in" to indicate the location of the conference, in this case, it is in the UK.

5. Britain is visited __by__ winds __from__ different parts __of__ the world.
- We use the preposition "by" to indicate the agent or doer of an action. In this case, the winds are the agents or doers, they visit Britain. We also use the preposition "from" to indicate the origin or source of something. In this case, the winds come from different parts of the world.

I hope this explanation helps you understand the use of prepositions in these sentences. Let me know if you have any further questions!