A: You studied hard. Did you pass the test?
B: No, _______ I studied hard, I didn’t pass the test.

I had to work until midnight _______ I was very tired.

An airline pilot and a racing driver are similar _______ they must
possess good judgment and the ability to react quickly in a crisis.

_______ coal reserves are abundant, taking advantage of them
requires an active program of development.

Within another hundred years we will have to find alternative sources
of energy, _______ the world’s reserves of oil will not last that long.

He found everything rather strange, as he _______ abroad before.

We won’t go unless the weather _______ fine.

I’ve written it down for her, _______ she forgets it.

The old woman had to stand all the way _______ no one let her sit
down on the bus.

_______ the bans remained in force, Turkey could not claim to be
fully democratic.

They built a high fence around the building _______ no one could
get out.