—Do you have _____ trouble finishing the work?—The work is not so difficult as you think. We have finished it already.
All the preparations for the project ______, and we’re ready to start.
. All her time _______ experiments, she has no time for films.
. He knows nothing about it, so he can’t help _______ any of your work.
He ran as fast as he could _____ to catch the early bus.
. Everyone in our class was working hard and doing what we could _______ a good college.