10. Nam used to like chocolate very much when he was a child.
11. Linda didn't write to her mother a month ago.
12. The professor is expected to arrive this morning./ It is expected that the professor will arrive this morning.
13. Your bike gives less trouble than mine.
14. Unless you look after those shoes, they won't last long.
15. We had the wardrobe repaired by a local carpenter.
16. Na has been using this calculator since she bought it in 2014.
17. The monitor advised Tim to talk to the form teacher.
18. There was nobody who knew the answer.








