Join each of the following pairs of sentences using an appropriate participle

JOIN EACH OF THE FOLLOWING PAIRS OF SENTENCES USING AN APPROPRIATE PARTICIPLE 

1. Mary has visited many European cities. She's planning to travel to Asia this year.

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2. He had drunk a bottle of wine. He couldn't drive home yesterday.

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3. Because John didn't study hard, he failed in his final examination.

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4. Because I had already read the book several times, I didn't borrow it.

Having.........................................................................

5.He got out of bed, then he took a bath. 

Having.........................................................................

6. Because I was walking quickly, I soon caught up with her.
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7. Because I had already read the book several times, I didn't borrow it.

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8. She felt very tired. She went to bed early.

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9. Although it had been hunted close to extinction, the rhino is once again common in this area.

Having.........................................................................

10.He had spent his childhood in Vienna so he knew the city well.
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11. We switched off the lights before we went to bed.

Having.........................................................................

12. The boy asked his mother's permission and then went out to play.

Having.........................................................................

13. As he had drunk too much, he didn't drive home himself.
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14. We have done two tests today, so we are exhausted.

Having.........................................................................

15. She had been to disco the night before and she overslept in the morning.

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16. We had worked in the garden all day and we were sunburned in the evening.

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17. Lan had not slept for two days and therefore she wasn't able to concentrate.

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18. Since I had not seen him for ages, I didn't recognize him.

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19. I hadn't ridden a horse for a long time and I found it very difficult to keep in the saddle.

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20. Sue left the house. But first she checked that she had her keys.

Having.........................................................................