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1. Every day in the world of inventing new computer programs .2 . By the end of the 20 century, the world will invent a lot of new computer programs.3 . Last year, the world's invented a lot of new computer programs.4 . When we came on a tour of the computer center , there inventing new computer programs .5 . When you were born, has been invented many computer programs.6. New computer software will be invented in the computer center in the next year .7. When we get on a tour of the computer center , there will be inventing new computer programs

1. Every day in the world of inventing new computer programs .2 . By the end of the XX century, the world will invent a lot of new computer programs.3 . Last year, the world's invented a lot of new computer programs.4 . When we came on a tour of the computer center , there inventing new computer programs .5 . When you were born, has been invented many computer programs.6. New computer software will be invented in the computer center in the next year .7. When we get on a tour of the computer center , there will be inventing new computer programs