1. Hers house has a small garden. Her mum plants flowers there.
has
plants
Hers
there
2. My sister has achieved many prizes and awards in literature because of she is really talented.
because of
in
achieved
talented
3. Do you watch the IELTS FACE OFF on VTV7 two days ago?
watch
on
do
ago
4. Helen didn't used to work on her own when she was young.
her own
used to
on
was
1. Hers --> Her
2. because of --> because
3. Do --> Did
4. used to --> use to