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Ex. 4.

1. Your fax has arrived three days ago.

2. I haven't been to the office since Sunday.

3. Has anyone seen my car keys?

4. I have passed my driving test.

5. I already had four cups of coffee today, and it's only lunchtime!

6. I have been to most countries of Africa but I never visited Congo.

7. He has passed his exams last May.

8. He was busy all this week.

9. There is a lot of work to do recently.

10. Computers have become very important lately.

11. Don't worry about the order from Sony. I already dealt with it.

12. Over the last year or so, shareholders of this company made a 50% profit.

Correct where necessary.

1. Your fax arrived three days ago.

2. I haven't been to the office since Sunday.

3. Has anyone seen my car keys?

4. I have passed my driving test.

5. I have already had four cups of coffee today, and it's only lunchtime!

6. I have been to most countries of Africa but I have never visited Congo.

7. He passed his exams last May.

8. He has been busy all this week.

9. There has been a lot of work to do recently.

10. Computers have become very important lately.

11. Don't worry about the order from Sony. I have already dealt with it.

12. Over the last year or so, shareholders of this company have made a 50% profit.