Ineed some new word to start a new sentence like now, although, etc.. i think their called transition words idk. can you me?

1- Although, you can speak our language the most fluently.

2- We know that kids spend a lot of time behind screens today, whether it's television or computer games or whatnot.

3- We must decide what to do: where you're going to live and so on.

hey wanna : ) ; )