—Each of the students, working hard at his or her lessons, _________to go to university.—So do I.
Mary is ill today. If she _____, she ____ here at school
All the preparations for the task _________, and we’re ready to start.
_________as one of the most important inventions of the time, the computer helps people living in different countries to do a lot of things.
Anyone _______ wants to learn something can sign up for the online courses.
Tell Mary there is someone __________ for her at the door.