As is known to all, when heated, things will________(膨胀)．
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.
Those children always q__________ over little things; sometimes they even fought with each other.