As everybody knows，     a person I s，the more things he needs to do tomorrow.

Work hard at your lessons, ______ you’ll fail the exams again.

Rather than            on a crowded bus, he always prefers           a bicycle．

-- How long do you think it will be ______ the bus arrives here?-- No more than five minutes.

__________ that these creatures are linked to a common ancestor.

There is no ____ that 100 years ago animal testing was cruel, but today animals in experiments are very well taken care of.

They told us it was the second time that the volunteers _______ the nursing home.

___ is no good ___ without doing anything.

There is no _______ that drinking milk before going to bed is helpful to our health.

You should do the things worth ____, and if you have difficulty _____ them, you can turn to your family.

—Peter, let’s check what we still have left.—Well, _____ is no use evaluating the total loss before the typhoon leaves. 

--- Tommy, your mum has been out without glasses! --- Well, take it easy. _______ she is back home for them.

-- Tommy, your mum has been out without glasses!-- Well, take it easy.         she is back home for them.

---Will it be a long time _______ I come for the pictures? ----No. It _______ be ready by 3:00．

We were ____ to go out for a camp ____ it began to rain.

John thinks it would be long ________ he is ready for his new job.

--- Do you know the Water Cube（水立方）at all? --- No, this is the first time I _________ here.

The Great Wall is __________ tourist attraction that millions of people pour in every year.

Since there are other applicants, we can’t let you know our decision _____ all of them have got their chances for interview.

There is no doubt _____ we will succeed if we try our best.