37．A．some    B．all    C．none   D．few

36．A．thousand of  B．thousands    C．millions of    D．million

34．一What’s wrong with you?

      一I’m having trouble       ．

      A.in breathing  B．on breathing    C．to breathe   D：to have breathed

33．in many countries，teenagers under l 8 should not      to enter Internet bars．

      A.allow    B．be allowed    C allowed    D．to allowed

  32．―Sorry I can’t work out this problem．

      ―Try again，please，It’s only．       difficult．

     A．a bit    B。a lot    C．very    D．much too

    A．1.2 meter long    B．long 1.2 meter  C 1.2 meters long   D．1ong 1.2 meters

  31．The desk is about              ．

  30．The dish looks nice，but when I eat it，it      very terrible．

    A．tastes    B．smells    C．1ooks    D．sounds

 29．In the exam，the      you are，the      mistakes you’ll make．

    A．careful，little    B．more careful．1ess

    C．mole careful，few    D．more careful，fewer