The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
not to miss the flight at 15. 20, the manager set out for the airport in a hurry. (2009 .福建)
twice, the postman refused to deliver our letters unless we chained our dog. (2009 .北京)
Film has a much shorter history, especially when such art forms as music and painting.
The students are forbidden, unless they had special passes, after 11 pm.
, the mountain looks like an elephant.