School children must be taught how to deal with dangerous ______ .
—Don’t forget to come to my birthday party tomorrow. —_______.
You can’t imagine that a well-behaved gentleman ______ be so rude to a lady.
It has been announced that candidates _______ remain in their seats until all the papers have been collected.
_____ to do the work, I should do it some other day.
The volleyball match will be put off if it___.