—How is life in the countryside?—Life is quiet and peaceful here. Nothing else can _______ a walk in the country road after sunset.
The price of _______ bike will partly be determined by the sort of ______ material used.
Jumping out of _______ train running at a speed of 200 kilometers per hour is quite _____ dangerous practice.
---Are you satisfied with what the captain explained? ---Not at all. It couldn’t have been________.
In the USA, Columbus Day is_______ the _____ of Christopher Columbus in the New World.
According to the police, _______ some facts undiscovered.