We should have ______fast food,______fresh fruit and take enough exercise.
---Have you cooked supper_________? ---Yes, I have _________ finished it.
---What’s wrong with my son, doctor? --- _______ serious. Just a slight cold.
It’s more than 8 years since I a teacher.
Learning English will us a lot of time.
There a lot of farmland here. But now you can only see tall buildings.