People complain that decisions to approve or deny apermit are often ____ rather than based on fixed criteria.

It’s reported that Nanjing Metro Line 3 was in service __________ April 1,2015.—What _________ exciting news! I believe the public transport system of Nanjing will be much better.

David has a big house, which ____ eight rooms.

Who should be responsible for the accident?–– The boss, not the workers. They just carried out the order ________.

Since they won’t listen to the advire. wehave to__________ force .[ ]