In fact fuels we burn and plant food we eat ________ their chemical energy in the form of heat.
— Would you please join us in this computer game?— Thank you, but I’d rather________.
—Did you remember to give Jenny the money?—Yes. ________ I saw her, I'm sure.
________ , the idea of having to work under a woman defeated him.
________ everyone else wouldn’t go to the mountain area, he went without a second thought.
I failed in the final examination last term and only then ________ the importance of studies.