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"You must do your homework before you can watch television."

"The erase of the old file from the computer was necessary to free up space. "

"He discovered penicillin largely accidentally."

"My uncle is a computer for our family; he's always calculating budgets and costs. "

"My sister is very helpful, especially when it comes to organizing things. "

"Asphalt, composed of oil and sand, is a widely used material for roads."

"There are a number of household devices in a kitchen such as a dishwasher, a garbage disposal, or an electric can opener."

"This flow chart represents the assignment of tasks in our committee."

"Print the draft double-spaced so we can mark changes between the lines."

"My brother is a different person; he's an other, not like me at all. "

"The removal of the old furniture was a big project for the family. "

"The pupil wrote his name on the paper."