Giúp em với ạ, em cảm ơn nhiều ạ

1. Having sat in my garden, I heard a bird singing

2. Having finished my homework, I went out with her

3. Having watered the flowers, I saw a strange sight

4. Having moved to this city, I have gone to the museum a number of times

5. Having fallen asleep, I thought about my friends in Italy.

6. Having left the dance, Jerry said good-bye to his girlfriend 

7. Hving had spent all day money, the decided to go home

8. Having opened the door, I found no one in the room

9. Having asked someone to help, you had better try to do yourself

10. Having moved to a neew city, she has made many interesting people.

11. Having given a present at the party last night, he felt so happy.

12. Having understood this problem, you will find no difficulty.