21.There is Liu Chang in our class, but I’m afraid he isn’t one you want.
A.a; a B.a; the C.a; / D.the; /
22.The 2011 International University Games in Shenzhen now appeals to a lot of people across the world.
A.held B.is being held C.being held D.to be held
23.Mum: Tom?
Tom: ? Here I am.
A.What B.OK C.Yes? D.All right