Teenagers shouldn’t be _______ from school although they don’t do well in their studies. 

It was his laziness and his rudeness that ______ his success.

The opportunity Jack had looked forward________at last when he was named chief engineer in the project.

In fact, he ______ in bed all the morning without doing anything, but he _____to me about that.  

-- Have you each got a computer in your office?-- Of course.        of our work           by the computer.