`1.` Toan used to play badminton when he was small.
`2.` She used to go to school on foot when she was 15 years old.
`3.` My hair used to be long and black 5 years ago.
`4.` His father used to be a teacher in our school.
`5.` Folk songs used to be so popular in the past.
`6.` There used to be less traffic congestion 10 years ago.
`7.` My grandmother used to be the prettiest girl in the village.
`8.` My room used to be blue last year.
`9.` This singer used to have little money when she was small.
`10.` People used to write letters to each other.
@ `Ly`