Rewrite the sentences: The nile is the longest river in the world

Rewrite the sentences
1 the nile is the longest river in the world
2 my brother can run very fast
3 we will frobably visit janpan in the future
4 nga likes badmintonbest
5 unless we protect the environment , we will destroy oureslver
6 it the fist time that i have ever talked to the foreigner