(91)1.He seldom has lunch at school,___?
      A.hasn't he
      B.has he
      C.doesn't he
      D.does he
(92)2.He is expected to make a speech this afternoon, ___?
      A.is he not
      B.isn't he
      C.is not he
      D.isn't it
(94)3.His wife had the front door painted green yesterday, ___ she?
      A.did
      B.had
      C.didn't
      D.hadn't
(96)4.If I knew the answer, I wouldn't be asking, ___?
      A.didn't I
      B.did I
      C.would I
      D.wouldn't I













