In fact fuels we burn and plant food we eat ________ their chemical energy in the form of heat

Let’s go and listen to Mr. Black’s speech on Western culture, shall we— ________ . It’s getting to the end.

Did you enjoy the outdoor training yesterday— No, not at all! I was dead after so much hard training.

Long marks on the street ________ that the driver had attempted to brake

These wild flowers are so special I would do _____________ I can to save them.