One of the greatest benefits of Internet friendships is that they are based on common interests, ________ appearance, age or popularity.
Leave your key with your neighbor _you lock yourself out one day.
You should report any incident, ______ minor it is.
Edison was a clever boy, and ______ he was fourteen, he had learned advance mathematics by himself.
I ______ to go on a diet, but the dishes at the party were simply impossible to resist.
Not until the teacher explained the importance of getting up early ______ we promise to come early.