Ex; Rewite the sentences with perfect participles
9. As I had been to New York before, I knew where to find a good hotel.
10. They were surprised by a sudden storm and had to seck shelter under a tree.
11. When she saw the dog coming towards her, she quickly crossed the road.
12. The house was built of wood, so it was clearly a fire risk.
13. I was eager to catch the bus in good time because I had been told off the day before for arriving late.
14. He had spent his childhood in Hue City so he knew the city well.
I
15. We had spent nearly all our money so we couldn't afford to stay at a hotel.