31．A．bring                      B．take                        C．follow                    D．find

29．It's too noisy, so mother told the children        ．

A．turn down the radio                             B．not to make noise

C．to not turn up the radio                          D．not making noise

     --Size 8．Can I try one on?

A．How much is it                                B．How many do you want

C．What time is it                                 D．What size do you wear

28． --                      ?

27．The doctor        the crying baby, but he couldn't find out what was wrong with him．

A．looked over         B．looked after      C．looked for             D．looked out

26． -- Look! What's flying        the two building?

     -- A bird．Oh, no．It's a kite．

A．under             B． in              C． between            D． in the front of

25． --        have you stayed in Xi'an?

     --For half a month．

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

24． --His parents are both doctors,        he knows a lot about medicine．

     --I think he will be a doctor in the future, too．

A．but                  B．or                    C．so                     D．for

23．--Shall I tell Sally about it?

    --No, you        ． I've told her already．

     A．shouldn't         B．mustn't               C．needn't            D．can't