When you learn English,you should pay more attention to your (pronounce).
Thomas Edison, one of the greatest (invent) in the world, created over 1,000 things.
If you don't know the name of the plant, please write" " (know) in your notebook.
How happy I am to celebrate my (fifteen) birthday tomorrow!
We should behave (polite) in public.
You are lucky, Linda. You didn't hurt (you).