高二英语填空.I just wonder___ that makes him so excited.A.why it does B,what he does C,how it is

高二英语填空.I just wonder___ that makes him so excited.A.why it does B,what he does C,how it is
  I just wonder___ that makes him so excited.   A.why it does  B,what he does  C,how it is  D,what it is.
Rather than ____ time playing cards as usual,I devoted every effort to____ an advertisement.   A,wasting,making    B,waste,make   C,to waste,make    D,a waste of,making.  两题填空不会做,请老师细解原理,