15. _______ the day went on, the weather got worse, which made it impossible for them to go down the mountain.
Knowledge is there for _______ will seek it.
―Why are we supposed to buy that flat? ―Because it’s clean and well-located, but _______ of all, it’s affordable.
It came as_______ surprise that Poland’s President and scores of its top officials were killed in _______ air crash in Russia.
―Thanks for the ride home! ―_______
It will ___ time if we get things ready the day before the party.