（10）,the rules about casual clothes can also cause problems

（10）,the rules about casual clothes can also cause problems .Sometimes the workers dress too casually .They think they can wear anything .So many companies have to list kings of clothes.
()10..A.Unluckily B.Unlucky C.Luckily
For many office workers ,(2）it’s more difficult to choose clothes for work.They don’t wear uniforms to the office .Also ,many bosses （3）their rules about clothes .They are allowing their workers to wear casual clothes to work.
()3..A.changes B.achangedre changing C.changed
（6）Are companies allowing their workers to wear casual clothes Some studies show that people are more productive (效率高的）when they are wearing
()6..A.Why B.When C.How