(91)1.___ no need for us to discuss the problem again since it 
      has already been settled.
      A.It has
      B.There has
      C.It is
      D.There is
(94)2.Was it in 1969 ___ the American astronaut succeeded ___ 
      landing on the moon?
      A.when;on
      B.that;on
      C.when;in
      D.that;in
(95)3.Was ___ that I saw last night at the concert?
      A.it you
      B.not you
      C.you
      D.that yourself














