The ship will go faster if we sail _________ the wind.
It may take a while _____ you find a hobby that truly interests yourself, so don’t give up.
European countries, ______ crisis is at hand, are providing great encouragement for parents to create more babies in the 21st century.
The web allows people to create web sites ______ they can pour out their deepest thoughts, desires and motivations to thousands or even millions of perfect strangers.
Sorry I’m late, but you cannot imagine ______ great trouble I took to find your house.
We often talk a great deal about English language teaching, _____ that it is the learning that really matters.