There is no light in the room. They must have gone to the lecture.__________?

—How are you getting on with your English? —Oh, great. Things are going as well as ________.

When you go to a new country, you must _____ yourself to new manners and customs.

When a person lives too many hours a day in the digital universe, that is when he or she _____ something.

John _______ for London this afternoon and his flight _______ off at 18:20.