1. ... interesting enough for me to read many times
2. ... it a shame to spend all that money
3. ... duty to help his parents with housework
4. ... since she last saw him
5. ... Helen who wrote that poem, not Mary
6. ... keeps in her garden is a pig
7. ... who sent the bill to Mr. Pike yesterday.
8. ... the reason why Collin went to London on Tuesday
9. ... interviewed many of the applicants who were very well-qualified
10. ... which I received urged me to pay the account at once.
11. ... the wonderful present which I was extremely grateful.
12. A 13. C
14. ... I have lived in a city with a high crime rate.
15. ... time the government did something