__________ the kids have left home,  we’ve got a lot of extra space.

It is not always easy for the public to see _______ use a new invention can be of to human life.

______ regular exercise is very important, it is never a good idea to exercise too close to bedtime..

_______ he was the last man I wanted to see, I did all that I could to help him.

________ the punishment was unjust , he would accept it without saying anything, because he knew it was the rule of the company.

_____ the Internet is of great help, I don’t think it’s a good idea to spend too much time on it.

___ children believe they can succeed, they will never become totally independent.

Most probably it will be another 6 hours _____ you can have next meal, so each of you must have your stomach full.

We have to work extra hours to finish our plan, _______ the boss can’t allow us to take a day off tomorrow.