In fact fuels we burn and plant food we eat ________ their chemical energy in the form of heat.
You’ll have to spend writing your report here.
He has lived at for 30 years.
The book is of great valuecan be enjoyed form it until you have a deep understanding of it, however.
She studies ___ medicine before she turned ___ writer.
His uncle gave him books to read, but after a page or two he would put __book down and pick up__ new one.