3.Yes, I did.
4.I went to the zoo last weekend.
5.I ate cakes and danced.
6.I live in the countryside and I live with my parents.
7.Yes, I am.
8.No, he doesn't.
9.I went to the supermarket by car.
10.I go to school by bike.
11.There are twelve months in a year.
12.No, she isn't.
13.I watch English cartoons on TV.
14.Because I want to talk with my foreign friends.
15.I will have a family in the future.