There is ________John Peter asking for you.
A.an          B.a            C.the           D./
It is really cool to realize your dream_______great effort.
       A.through        B.  of             C.   till               D.about
3.  You ______be serious!You're actally going to lend him money again?
       A. needn't        B.can't            C.shouldn't        D.musten't
4._____ interesting the book is!
      A.How           B.What an          C.What           D.How a