—Do you regret paying ten dollars for that book?—No, I would gladly have paid ________. 

In a sense, no country, big or small, should object to the trend of peace and development, ______ creating trouble to others.

--- What a lot of fun it is to play on a frozen sports field! --- Isn’t it rather risky,       ?

You’d better book the tickets in advance; _______ we may miss the concert.

It is generally considered that football is _______ than any other match.