11. Even though he couldn’t swim, he jumped straight into the water.
12. We were anxious about knowing whether Clarice had arrived safely.
13. I would really appreciate if you could let me have her address as soon as possible.
14. Some husbands still do not approve the idea of their wives having a job.
15. Every/Each week Simon wrote her three letters and he phoned her as well.
16. I trust you will do your utmost to repair the CD-player as quickly as possible.
17. Between all the magazines on the shelf, there was one that was very interesting.
18. Two of the biggest firms are Apple and IBM, both of which are in the computer business.
19. I will have finished reading this book until tomorrow.
20. For the first time in twenty years, I have to complain about one of your products.