32. Someone is ringing the door. Go and see___.
A. who is he B. who is
C. who is it D. who it is
答：D。it指人，宾语从句应用陈述语序。
33. The Parkers bought a new house but _____ will need a lot of work before they can move in.
A. they B. it C. one D. which
答：B。it 指a a new house
