viet lai cau
1/ my friend made a decision to take part in the army
> my friend decided
2/ talking with her is so boring
> we are bored
3/ mr.ba often spends fifteen minutes leading the buffalo to the field
> it often takes
4/ i couldn't answer the question because it was too difficult
> the question was
5/ walking alone in the park of the city after dark is dangerous
> it us dangerous
6/ this prolem is didficult to solve
>