The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
The managing director was to______the accident,although it was not his fault.
—You haven’t said a word about my new coat,Brenda.Don’t you like it?—I’m sorry I______anything about it sooner.I certainly think it’s pretty on you.
—What about the books?—Books of this kind______ well.
—What makes her so frightened?—Oh,it is the mouse that she______on her bed while looking for her watch.
He ______busy yesterday,or he______you with your experiment.