Resposta :
4. a) her
b) mine
c) his
d) their
e) theirs
5. a) Is this (your / yours)?
b) Yes, it's (my / mine)
c) That's (my / mine) bag.
d) No, it's (her/hers)
e) I'm sure it's (our / ours) turn
f) No. it's (their / theirs)
Resposta:
4 - a) her b) mine c) his d) their e) Its / theirs
5 - a) yours b) mine c) my d) hers e) our f) theirs
Explicação:
Basta lembrar que os possessive adjectives sempre estão acompanhados de um substantivo, enquanto os possessive pronouns não.
Adjectives: my / your / his / her / its / our / their
Pronouns: mine / yours / his / hers / its / ours / theirs
OBS: Verifique se você escreveu a 4E corretamente pois tem duas opções possíveis