Three months ____ before we knew it.
__________ gas is needed for the increasing cars to run in the street.
1. He will never __________ though every means __________ tried already.
(2012·湖南) Everyone in the village is very friendly. It doesn't matter __________ you have lived there for a short or a long time.
New technologies have made __________ possible to turn out new products faster and at a lower cost.
Film has a much shorter history, especially when __________ such art forms as music and painting.