Rewrite the sentences beginning with an appropriate participle (present, past of perfect)
15. Because she didn't know where the theater was, she asked for directions at the hotel reception
=> ____________________
16. As she was a nurse, she knew what to do after the accident
=> ____________________
18. The fruit was expensive because it was imported
=> ____________________
19. Because we had spent nearly all our money we couldn't afford to stay at a hotel
=> ____________________
20. As we didn't want to offend him, we said nothing about his paintings
=> ____________________
21. Although it has been hunted close to extinction, the rihno is once again common in this area
=> ____________________