Предмет: Математика, автор: Hoshimjon98

x1+x2+x3=1
3x2+x3=9
2x1+4x2+2x3=6

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Автор ответа: 0725sasha
0

Ответ:

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1. Укажите глаголы в Present Perfect.

                are running

                had

                +has written

                +have asked

                +have spent

                lived

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2. Укажите правильный перевод предложения "Я написал перевод этого текста".

                I am writing the translation of this text at the lesson.

                I have to write the translation of this text.

                +I have written the translation of this text.

                I shall write the translation of this text.

                I write the translation of this text at the lesson.

                I wrote the translation of this text at the lesson yesterday.

 

 

 

 

3. Укажите возможные краткие ответы на вопрос “Have you seen this picture?”.

                No, I don’t

                +No, I haven’t

                Yes, I am

                Yes, I did

                Yes, I do

                +Yes, I have

                Yes, I shall

 

 

 

 

4. Укажите предложения, глаголы-сказуемые которых стоят в Present Perfect.

                Have you much free time?

                +He has come to the technical school.

                +He has given me a letter.

                I have not translated the text.

                My mother is a doctor.

                She has not written the translation.

                +They have taken the pencils.

                This student has many friends.

                +We have to go to the library.

                You have to wash your hands before meals.

 

 

 

 

5. Укажите предложения, глаголы-сказуемые которых стоят в Past Perfect.

                He had a letter in his hand.

                +He had finished his work before you come.

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                He had written a letter by 5 o’clock.

                He has a book.

                He has come.

                +They had come when you finished your translation.

                They had given us their books.

                They had six lessons.

                They have many English books.

 

 

 

 

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                I had a book.

                I shall go there.

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