Some people who don't like to talk much are not necessarily shy;they ________ just be quiet people.
--Hello, is Mr. David in? ---_____.
They were still working in the fields __ it had got dark.
Are you ___ to make the best of time and catch up with your classmates?
I thought it would be rainly that day, but it ___ to be fine.
The fact ___ she was often late for school made her teacher angry.