I was ill _____ I missed the lecture.

I was late, ____ I decided to take a taxi to work.

Don’t feed any data _____ you are sure it is correct.

He came to the library earlier _____ he would have more time to do the research.

Stephen studies every evening ______ he wants to win the scholarship.

You need to hand in your homework _____ you can take the test.

Are you studying mechanical engineering? Or electrical engineering? I know you are training to become an engineer.  I know you are studying _____ mechanical engineering  _____ electrical engineering.

I will let you know immediately ____ I get the result.

I couldn’t figure out _____ he refused to participate.

_____ all our effort, the project was not finished in time.