That’s the new machine _______ parts are too small to be seen.
--- Did you tell Jack the news?--- Oh, I forgot. I______ him soon.
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.