1.---We could invite John and Barbara to the Friday night party.
  ---Yes,     ? I’ll give them a call right now.
A. why not        B. What for          C. why            D. what 
2. Lin Shuhao was _________ instant hit among basketball fans worldwide after leading ______ Knicks to one victory after another.
A. a; the          B. the; 不填         C. an; the         D. an; 不填