In developed countries, farm workers_________ only a small section of the population.

You should be working instead of _________ there inbed.

The Arabian Nights _____ well known all over the world, in which many a story_____ interesting and instructive．

March 11,2011 _______ magnitude-90 earthquake struck Japan and subsequent tsunamitriggered the large-scale crisis

Can you provide us ______ some information _____ the computer