Студа нужно вставить a/an we use. for singular nouns we use. for a singular and plural nouns we use. when we mention something for the first time we use. when we mention something again we use. when we know or can see which thing we’re talking about
We use a/an for singular nouns. We use the for singular and plural nouns. We use a when we mention something for the first time.We use the when we mention something again.We use the when we can see or know which thing we are talking about.
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
We use a/an for singular nouns. We use the for singular and plural nouns. We use a when we mention something for the first time.We use the when we mention something again.We use the when we can see or know which thing we are talking about.