用所给词的适当形式填空
Elephants are ________ ( surprise) long-lived creatures.
Einstein was one of the greatest ________ (think)of the 20th century.
It is difficult to imagine his accepting the decision without any ________ (consider).
Unsatisfied though he was with the ________ (pay),he took the job just to get some work experience.
In many ________ (east)countries massage was and is a part of everyday life.
Tim is in good shape ________ (physical)even though he doesn't get much exercise.
The research lacks solid evidence, and therefore, its conclusion is ________ (doubt).
Don't draw any ________ (conclude)before you know the facts.
The new fossil findings may tell us more about human ________ (evolve).
In the study families are ________ (class)according to their incomes.