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

What do you think of the movie?—I think it was _____ disappointing[ ]

How amazing, Sara! You are used to going to bedearly and getting up early these days.—-_______ And I hope you can lead such a healthylife, too.

We’re going to play on Huaguo Mount this week. — Really ______!

________ you ________ Tina can join us. We just need one of you.