English grammar exercise on-line for elementary level students for the use of whose + possessive pronouns. Cross out the wrong word.
1) This is my / mine father, George.
2) A - Whose bicycle is that?
B - It's ours / our.
3) A - Are these your / yours keys?
B - Yes, these are my / mine.
4) Susan is English and her / hers father is Italian.
5) A - These are their / theirs books. Where is my / mine book?
B - This is my / mine.