8.About 80 percent of the students in our school_____ been working on the program and about two-thirds of the work _____been finished.
After ____ series of unsuccessful attempts, he has finally passed ______ driving test.
You are no longer a child. It’s time for you to _______ differences with your parents.
One evening when it was so warm, I stayed awake _________ until half past eleven in order to have a good look at the moon by myself.
The mother didn't know who ________ for the broken glass as it happened.
The whole nation watched the two candidates________the issue of raising taxes on TV.