Having a good night sleep is important for babies -> it's important for babies..... 2. Handicapped people find shopping in supermarkets difficult ->it is.... 3. I find volunteer activities interesting -> I...... 4. He arrived in the middle of our lunch time(while) ->He.... 5. During dinner, Mary suddenly cried (having) ->While we... 6. We all knew the reason of her popularity ( Why) ->We all knew 7. That film made me bored (boring) -> i... 8.it's 2 years since she last met him ->she... 9. He gave up smoking two years ago ->he hasn't ... 10. Nancy hasn't come here since 1999 -> the last time... 11. The last time i talked to him was a month ago ->i haven't.... 12. I have never used a laptop before -> it is... 13.how long is it since you saw mary ->when... 14. How long is it since they bought the house? ->when...