First transform each of the following declarative clauses into a wh-interrogative clause. The underlined element in the declarative clause corresponds to the wh-constituent in the interrogative clause. Then turn each wh-interrogative clause into a subclause by embedding it in the incomplete clause in parentheses. What is the function of these subclauses?

1. They've lived here for many years. (Do you know. . .?)

2. She was 25 when she got married. (I wonder. . .)

3. He prefers the red one. (Tell me. . .)

4. It cost 50 euros. (Do you know. . .?)

5. She falls asleep by counting sheep. (I wonder. . .)

6. It happened last night. (Tell me. . .)

7. They watch tv after dinner. (Do you know. . .?)

8. They saw both of them at the party. (I wonder. . .)

9. I get up at 7 a.m. (Tell me. . .)

10. She ran 10 kilometers an hour on average. (Do you know. . .?)

11. He has five brothers and sisters. (I wonder. . .)

12. They left because they were bored. (Tell me. . .)

13. She works in Rome. (Do you know. . .?)

14. He bought a bike. (I wonder. . .)

15. My in-laws live next door. (Tell me. . .)

16. Something really strange happened. (Do you know. . .?)

17. He's 5 foot 11. (I wonder. . .)

18. She got $10,000 for her car. (Tell me. . .)