_____ you can chat with your friends, makes communication easy

He felt happy when his boss stated that he couldsome time for exercise．

Is this the house_______Abrabam Lincoln was born?

The country itself didn’t have enough gas because of the war, so the government decided to _____ its gas supplies to other countries. [ ]

It was the middle of the night _______ my father woke me up and told me to watch the football game.