1.
James is courageous as well as strong.
The editors as well as the proofreaders are working overtime.
2.
It's a pretty cat,also friendly.
If you will stay,I also will.
3.
I am coming.He's coming along,too.
Mary has a little lamp.Jane has one,too.
4.
If you don't order a dessert,I won't either.
She will not go home tonight,he won't either.