1 or a
2 and b
3 so c
4 so d
5 so e

Sai rùi . Còn thiếu mấy cái chữ kia nữa
 

1.This afternoon you can go swimming or you can ride on the path through the forest
2.The Asian diet is low in calories, but the Western diet is high in calories
3.My town has a small population with little traffic and a lot of trees, so it is quiet and peaceful
4.To prevent flu, we eat a lot of garlic and we keep our bodies, especially our feet, warm
5.People in the countryside have less stress, so they usually live longer