Ответ:
ex. 1.
a rice,an apple,a banana,a butter,a bread,an egg,a milk,a water,a potatoes
ex. 2.
1.any,any
2.some
3.any,any
4.any,any
ex. 3.
ex. 4.
1.cook food
2.exchange gifts
3.light fireworks
4.decorate houses
5.set off parades
6.have bonfires
7.celebrate the festival
8.dress up