This is one of ____（最有趣的） books of ours.
举一反三
- This dormitory is ours and that one is .( A: them B: they C: their D: theirs
- Only one of these books is ____________.
- —How many books do you have？ A: a;an B: a;one C: one;an D: one;one
- This is one of _ interesting books on your subject.
- This is one of the books ______________________ (write) by him now.