1.My grandfather is seventy years old but he is still pretty (healthy),because he enioys exercising.
2.The youny proplr should have good eating (habbits).
3.Miss wang tells us to( try )to speak English more.
4.There are some(differences)between American English and Britain English.
5.Mary bought some (vegetables)on her way home because she want want to cook them for her family.