Promise your friend not to tell anyone his secret. (won’t)

9. Promise your friend not to tell anyone his secret. (won’t)
‘................................................................................................................ your secret.’
10. Offer to make a cup of tea for someone. (shall)
‘....................................................................................................... you a cup of tea?’
11. You bought an mp3 player but it doesn’t work. Ask a shop assistant to change it for another. (will)
‘............................................................................... this/the mp3 player for another?’
12. You are with a group of friends. Suggest going to the park. (shall)
‘............................................................................................................... to the park?’
13. A friend lends you his car. Promise to look after it. (’ll)
‘.................................................................................................................. your car. ’