1. _____ boy you see today is quite ______ different person from what he used to be.
A. The; / B. / ; the C. The ; a D. A ; a
2. The computer _______ . It's working again now.
A. is being repaired B.has repaired C.is repairing D.has been repaired
3. The old woman has three daughters, _______ are teachers.
A.all of them B.all of who C.all of whom D.all of they
