Last Saturday, a snowfall shut down airport runways across Europe, _____ numerous flights. [ ]

As far as I know, this man ____ risk anything than lose the ring for his wife

Her new book on how to get along with others is to _______ next month.

_______ to keep our classroom clean and tidy.—You are right.

There was such a long queue for coffee at the interval that we ________ gave up [ ]