They tiptoed up the stairs _______ wake the children.
I was on vacation; _______, I didn’t get your letter.
It was cold; _______ we went on a picnic.
Dr. King gives interesting lectures; _______, he is very popular with his students.
Robert didn’t study for the test; _______ he did very veil.
The old woman had to stand all the way _______ no one let her sit down on the bus.
Within another hundred years we will have to find alternative sources of energy, _______ the world’s reserves of oil will not last that long.
_______ coal reserves are abundant, taking advantage of them requires an active program of development.
We won’t go unless the weather _______ fine.
We left early _______ avoid the traffic.
James wants to buy a new car, _____ he doesn’t have enough money.
A: You studied hard. Did you pass the test? B: No, _______ I studied hard, I didn’t pass the test.
When she arrived, I was pretty fed up, because I _______ since eight o’clock.
_______ the price of petrol is so high, I can’t afford to run a car any more.
I had to work until midnight _______ I was very tired.
He found everything rather strange, as he _______ abroad before.
I will go home for vacation as soon as I _______ my exams.
_______ I took an aspirin, I still have a headache.
Doctors often use X-rays _____ they can pass through skin and flesh.
They built a high fence around the building _______ no one could get out.
He stole the money _______ I warned him not to.
We were _______ late _______ we missed the plane to Istanbul.
I’ve written it down for her, _______ she forgets it.
_______ the bans remained in force, Turkey could not claim to be fully democratic.
An airline pilot and a racing driver are similar _______ they must possess good judgment and the ability to react quickly in a crisis.
