S energy is a new kind of source of energy.
He has been suffering __________ (剧烈的) pain in his stomach.
It is __________ (考虑周到的) of you to prepare so much for us.
It is my __________ (特权) to call him my friend.
The writer's name has been __________ (提到) several times in this article.
If the earthquake had been __________ (预测), many more lives would have been saved.