The pleura that cover the exterior of the lungs and the inner walls of the chest cavity is thin elastic membrane.

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• Many exercises such as calisthenics, running, or swim involve producing muscle tension through a range of movement that are called isotonics.

• Before dinosaurs became extinct, plant life is very different on Earth

• So  when Whitman returned to the Pacific , overs thousand settlers went with him.

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• Bronze, after being heated by a strong flame, will changing color, especially when exposure to hydrogen 

• We really enjoyed children’s imaginative and excited play last Saturday.

•  The keys of the house ……….lost. 

• The sun contains 99.9 percentage of the mass of solar system.

• The number of students attend class dindled until only two remained.

• When the children realized that they were themselves in the dark, they became really frightening.

• What have I done wrong? Why are you annoyed ________ me? 

• Even the most discriminating gourmet will agree that food in the south is as good any other regions in the country.

• The diary it was kept secret until the end of the war in fear of reprisalsthe occupying army.

• All the students are looking forward spending their free time relaxing in sun this summer.

• In safari parks, which wild animals roam freely, visitors are forbidden get out of their cars.

• Earwax lubricators and protects ear from foreign matter such water and insects

• Mobility is one of the characteristics often demanded of executives, and they must accustom themselves to move as regularly.

• Both a term paper and final exam is often required for college class.

• Most modern barns are both insulated, ventilated and equipped by electricity

• It is believed that the more frequent you exercise, greater physical endurance you will have

• When  programs became popular, approximately around 1925, many people stopped attending movies.