He trained hard in puzzle-guessing, a sort of children’s game, all year, _____ still failed to reach his best form in all the tests given to both adults and children. 

One advantage of eating a balanced breakfast is ______ it can keep you energetic throughout the day. 

The meeting will begin in 10 minutes, ________we can sing a few songs 

One day, when I was walking in the street, someone dropped a pie from a window above, and it _______ missed landing on my head.

You can’t get___________with being late every morning.