Choose the right preposition

With on in from of

1. I am going ... a journey to Sydney by plane

2. The climate ... Australia is mild in the centre

3. Travelling ... relatives is safe​

1)))))))from
2) in
3) of

1. there are two bedrooms in our flat. 2. there is a nice living room in his house. 3. there are no pantries in our flat.4. there is a nice bathroom in my flat. 5. there is no tv in my room.