How much difficulty did you have ________________ this problem?
--- Is your home far from your school? ---No, it ___ me ten minutes by bike.
---You look so tired and ____, John. ---Yes, I had my PE lesson just now. I’d get some water to drink.
---____ do you exercise, Miss Lin? ---Once a week.
I didn’t know at first, but later we became good friends.
I English since I was five years old.