What are the rules–We must keep our hair _______, and we must wear the school uniform.

There are a small number of people involvedpossibly twenty.

_____ she is only 4 years old, ______ she can plays the piano.

The gas in my car is ______. I must find a gas station to fill it up as soon as possible.

Why do you prevent them______playing computer games—Because they have a bad______on teenagers.