There is an obvious __________ between the cultures of the West and East.
He is a man of few words, and seldom speaks until _______ to.
The discovery of new evidence led to _______.
Though I have often heard this song _______. I have never heard you _______ it.
Mr Reed made up his mind to devote all he had to _______ some schools for poor children.
Tony was very unhappy for _______ to the party.