Not having work out the problem, leave the office. [ ]

What do people wear when they go to the theatre? — Well, it isn’t very ____. People can wear anything they like.[ ]

What do you often do _____ classes to relax yourselves–We often do eye exercises ,listen to music or do some running around the school.

In the good care of the nurses,the boy is___recovering from his heart operation [ ]

The English in this story hasbeen simplified to make it easier _______