Chọn đáp án đúng
8. My sister and I go to the same school. This is my classroom and that is _____.
A. his
B. mine
C. theirs
D. hers
9. That bag is not _____. Give it back. It belongs to me!
A. yours
B. ours
C. his
D. mine
10. Gary’s bag is red. This blue one can’t be _____.
A. hers
B. mine
C. ours
D. his