It is _________ that a war will break out in the country.
come
Thorough
— You shall get an iPad so long as you come first in the speech contest.— Is that a ________? Don’t let me down, I hope.
With a population of over seven million, London is ________ the largest cities of the world.
— I rang you up last night, but nobody answered.— Oh, I usually ________ off my phone at about 9:00 p.m.