A．Hello!               B．Come here．        C．We won!              D．Be quiet．

28．This picture probably means "          "．

27．--          have you been in that city?

   -- For almost ten years．

A．How often               B．How long            C．How soon             D．How many

26．They said tea          by accident．

A．is invented         B．is used                C．was heated        D．was discovered

25．I'll tell you her address if she          to me．

A．write              B．writes                C．wrote             D．will write

24．      we deal with our problems, we can easily become unhappy．

A．Not…until         B．If…no               C．Unless          D．After

23．His grandfather          for five years．

A．has died            B．died                 C．was dying           D．has been dead

22．--Are the family        of the boy?

    --Certainly．He's the family's          ．

A．proud, proud        B．proud, pride          C．pride, pride           D．pride, proud

21．--Must I go out for a walk now?

   --No, you         ．

A．mustn't             B．can't               C．needn't             D．may not

20．Beijing is one of the         in the world today．

A．busiest city          B．busiest cities         C．busy city            D．busy cities