Firstly, everyone has the right to survive.
Firstly, you should know what kind of writing is good and try to read a lot of good articles.
I think, firstly, we can make cars that don't pollute the environment.
Firstly, communicate with others and think on your own more.
Firstly, a child will learn to interact with a lot of different people and some children learn to communicate very early because of this.
This is because of the following three reasons: firstly, the thief only stole things from me but did not hurt me at all; secondly, the thief has stolen some of my things instead of all my things; thirdly, most luckily for me, it was the man rather than me who became a thief.
I think, firstly, we can make cars that don't pollute the environment.