1.______shocks me greatly that she has gone abroad without telling any of us.
A.This B.That
C.It D.What
2.It is reported that 800 million people in China,_____is more than half of its total population,earn their living by farming.
A.who B.that C.which D.what
3.--Who was on the phone with you just now?
---________was my classmate,Mum
A.This B.That C.He D.It