选词填空，补全课文，注意书写:（5 分)

---Asia is the _________ continent. It has the most land and the _______population..
---Africa is the second largest continent.It is the _______continent. It has the largest desert.
---Oceania is the __________continent.It’s only continent with water all around it.
---Europe is next to _______There are many countries in Europe ,Such as the UK ,Spain and France.