At present an increasing number of parents wish to _________ changes in educating their children due to dissatisfaction with the educational system.
Dick is over sixty, but he looks young for his age. He is always full of ______.
—It is said that there ____ be a big disaster in the town in five years. —Nobody ______ tell exactly what will happen in the future.
—May I smoke here? —If you ____, choose a seat in the smoking section.
Have you prepared for the sports meeting which _____ soon?
A big party will be held _______ those foreign leaders who will visit our city next week.