用所给词的适当形式填空
【小题1】You will ____________ (danger) your health if you continue to smoke.
【小题2】Mr. Smith had an opportunity to be a ____________ (consult) in a big company after graduation.
【小题3】To protect the environment and save energy, we can buy goods made from ____________ (recycle) materials.
【小题4】One of the key ____________ (principle) of having a happy life is to always do things that bring us happiness.
【小题5】His parents made too many ____________ (sacrifice) to make sure he got a good education.
【小题6】At college, our main task is to acquire knowledge. But at work we are expected to shoulder much more ____________ (responsible) .
【小题7】I will have my ____________ (reserve) about her ability to do the job till I fully know her.
【小题8】They said the new law was not designed to ____________ (threat) the freedom of expression on the Internet, but was a long overdue (期待已久的) healthy reform.