Ответ:

Ex. 1

1. have never met

2. has just gone

3. I have not seen it.

4. have already posted

5. has helped

6. have been

7. has taken

8. have never studied

9. have sold

10. have not left

Ex. 2

1. Have you ever been to Scotland?

2. Have your parents lived here all their lives?

3. Have you heard about this concert?

4. How many times have you been married?

5. Has he ever met the President?

6. Have you ever visited the White House?

Ex. 3

1. They have built a new house. Have you seen it?

2. Have you shown your picture to your mother? - No, it is not ready yet.

3. I have seen this film. Have you? - Yes, I have. This film is interesting.

4. Have you been to the London zoo? - Yes, I have.

5. My father has just returned from the seaside.

6. Please, take these magazines. I have read them already.  

7. Have you ever been to Greece? - Yes, I have. It is a very beautiful country.

8. We have not completed the experiment.

9. She has never translated such phrases.

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