【单选题】
You have to work hard if you want to __________ in your courses.
【单选题】
( )的满足对职工产生的效果类似于卫生保健对身体健康所起的作用。
【单选题】
_____ you work hard enough _____ you be able to get a PhD degree in three years.
【单选题】
____ the math problem is difficult, Ill try very hard to work it out.
【单选题】
As a result of his hard work, he has gained ______ to the Beijing University.
【单选题】
_______ hard work, you don’t have much chance of success.
【单选题】
After several years of hard work, he ______ pass the entrance exam.
【单选题】
If you work hard, you will be ________; but if you don’t, you will be punished.
【单选题】
To succeed in our future goal, [] we students really need to do is to study as hard as possible.
【单选题】
What I meant was that we should go[填空] with the work.