1)Julia didn't study Maths.
2)Did we play golf?
3)Did they listen to the radio?
4)I didn't pay the bills.
5)Did Katherine advise you to be polite?
6)Did Emily help her son?
7)John didn't clean the flat.
8)Did Patricia open the door?
9)Yolanda didn't finish her homework.
10)Did you wait for the train?
